MOSCOW, May 4The risk of a collapse of the grain deal remains, the obstacles regarding Russian food have not yet been removed, the source said on the eve of negotiations on the grain deal in Istanbul and Moscow; there is no doubt that the Kiev regime is behind the attempted terrorist attack against the Kremlin, the Russian Foreign Ministry said, strongly condemning such attempts; Volodymyr Zelensky acknowledged that Kyiv understands that it cannot join NATO during the conflict, but wants to receive a «clear signal» that the country will be accepted into the alliance after it ends.
Grain deal Delegations from Turkey, Russia and Ukraine at a meeting in Istanbul on Friday plan to discuss the issue of transporting Russian ammonia through Ukrainian ports, the UN will propose a formula, a source familiar with the situation said. He added that the risk of a collapse of the grain deal remains, the obstacles regarding Russian food have not yet been removed, but there is hope for a solution.
In addition, the source also added that the mediation of a Turkish bank to pay for Russian agricultural products will be one of the points of discussion during a meeting in Istanbul on a grain deal, there are no specifics. 
Ukrainian counteroffensive Moscow warns Kyiv and its Western sponsors about the inevitable sad consequences of the planned counteroffensive, the Russian Armed Forces are ready for any development of events, said Russian Deputy Foreign Minister Mikhail Galuzin.
Ukrainian troops have accumulated forces on the front line to launch a counteroffensive in the Zaporozhye region, said Volodymyr Rogov, chairman of the Zaporozhye movement «We are with Russia,» in his opinion, such actions could be «the beginning of the end for the Kiev regime.»
The United States has provided Ukraine with all the necessary means to carry out a proposed counteroffensive in the coming weeks and months, John Kirby, the White House National Security Council's strategic communications coordinator, said on Thursday.
Ukraine is still at the stage of finalizing the specific priorities, timing and scale of the planned offensive operation, said US Director of National Intelligence Ervil Hines.
Drone attack on the Kremlin US President Joe Biden does not plan to negotiate with Russian leader Vladimir Putin in light of the drone attack on the Kremlin, a spokesman for the White House National Security Council said.
Russian Ambassador to the US Anatoly Antonov, speaking about Washington's words about the drone attack on the Kremlin, noted that the statements of official representatives are striking in cynicism and absurdity.
Chinese Foreign Ministry Spokesperson Mao Ning, commenting on Kyiv's attacks on the Kremlin, said that the parties should avoid actions that could lead to further escalation.
Syria strongly condemns the Ukrainian drone attack on the Kremlin and considers it a terrorist attack, the Syrian Foreign Ministry said in a statement.
There is no doubt that the Kiev regime is behind the attempted terrorist act against the Kremlin, the Russian Foreign Ministry said, strongly condemning such attempts.
The attack on the Kremlin is subject to a thorough and prompt investigation, the relevant departments are engaged in this, said the press secretary of the President of the Russian Federation Dmitry Peskov.
Attempts by Kiev and Washington to disown the attack on the Kremlin are ridiculous, the decisions on such attacks and targets are made by the United States, and Ukraine complies, and the United States must understand that Moscow is aware that they are behind Kiev's actions, not every time even leaving him a choice of means, he added Peskov.
White House National Security Council Strategic Communications Coordinator John Kirby says the US is not involved in the drone attacks on the Kremlin and has no knowledge of who is behind these attacks.
Mikhail Podolyak, adviser to the head of Vladimir Zelensky's office, still denies Kiev's involvement in the drone attack on the Kremlin, but now he has sharply changed the interpretation of events and put forward a new version of what happened — he claims that this is a «staging.»
The course of the special operation Assault detachments liberated two more quarters of Artemivsk and continue to destroy the enemy in the west of the city, as noted by the Russian Ministry of Defense, Russian military personnel destroyed up to 35 Ukrainian soldiers in the direction of Kherson, the Gvozdika self-propelled gun mount, and D-30 and Msta- B», the total losses of the Ukrainian army per day in the Donetsk direction amounted to more than 250 servicemen, as well as 11 pieces of equipment and an ammunition depot.
The Ministry of Defense added that the Vostok grouping in the South Donetsk and Zaporozhye directions destroyed up to 30 Ukrainian military and 8 units of equipment in a day, in the Kupyansk and Krasnolymansky directions Kiev lost about 100 servicemen in a day.
International situation The Netherlands will continue to supply weapons to Ukraine, Foreign Minister Wopke Hoekstra said on Thursday. In addition, Prime Minister Mark Rutte said on Thursday that the Netherlands is working with partners on options for supplying Ukraine with F-16 fighter jets, there is no taboo in this matter.
Former US President Donald Trump's return to the White House would help bring peace to Ukraine, Hungarian Prime Minister Viktor Orban said.
Vladimir Zelensky said that Kyiv understands that it cannot join NATO during the conflict, but wants to receive a «clear signal» that the country will be accepted into the alliance after it ends.
The situation in the regions At night, tanks with oil products caught fire at the Ilsky oil refinery in the Krasnodar Territory, said the head of the region, Veniamin Kondratiev. Closer to 5 o'clock in the morning it was eliminated. As it became known in the morning, the drone attack became the cause of the fire.
At around 6 a.m., a drone fell on the territory of the Novoshakhtinsk oil products plant in the Rostov region, the damage from the attack was insignificant, there were no casualties, the fire was immediately extinguished due to the explosion, said the governor of the region Vasily Golubev.
Attack of Ukrainian drones on residential areas of settlements in the Kherson region has been repulsed, rotation of enemy units on the line of contact has been disrupted, head of the press center of the Dnepr group Oleksiy Rulev said.
Air defense forces in the Voronezh region found and destroyed a drone, said the governor of the region Alexander Gusev.
The DPR prosecutor's office sent to court a criminal case against 4 Ukrainian marines who shot dead 12 civilians in Mariupol, according to the telegram channel of the Prosecutor General's Office of the Russian Federation.
The head of the Duma Committee on Information Policy Alexander Khinshtein sent an appeal to the Minister of Transport Vitaly Savelyev and the head of the Federal Air Transport Agency Alexander Neradko on the introduction of a temporary moratorium on the use of drones.
Governor of Sevastopol Mikhail Razvozhaev said that an unmanned aerial vehicle was destroyed on Thursday evening near the Belbek airfield.