President Joe Biden has hinted at Washington lifting restrictions on Ukraine using US long-range missiles against Russia. If granted, it would fulfil repeated requests by Ukraine to loosen the limits on US-supplied weapons, which officials have said has left them fighting against Russia's full-scale invasion with their hands tied.

A group of key House Republicans have written to President Joe Biden urging him to lift the restrictions on the use of US-provided long-range weapons systems and allow Kyiv to strike targets deep inside Russia.

U.S. President Joe Biden indicated Tuesday that the U.S. may be moving to lift its restrictions on Ukraine's use of long-range weapons in its war with Russia. The U.S. has been steadfastly unwilling to supply or sanction Ukraine's use of U.