Biden warned Americans not to travel to Ukraine

US President Joe Biden . File photoWASHINGTON, Jun 17 U.S. President Joe Biden said he was briefed on the situation of several U.S. citizens missing in Ukraine, adding that their whereabouts are currently unknown to U.S. authorities.»We do not know where they are,» the head of state said, answering questions from journalists from the White House pool during a brief conversation before leaving for Delaware. Against the backdrop of these events, he once again warned Americans against traveling to Ukraine. «American citizens should not go to Ukraine,» the President of the United States firmly emphasized.