Afghanistan, Dec. 22 -- U.S. Senator Lindsey Graham said Washington should sharply escalate pressure on Russia, including arming Ukraine with Tomahawk missiles, if ceasefire negotiations with Moscow collapse.

U.S. Senator Lindsey Graham has urged Washington to significantly increase pressure on Russia if President Vladimir Putin refuses to reach a ceasefire agreement in ongoing talks over Ukraine.

The Republican senator said the United States should consider providing Ukraine with Tomahawk cruise missiles, arguing that stronger military leverage is needed to alter Moscow's calculations.

Graham said such weapons could be used to target Russia's drone and missile production facilities if negotiations fail, describing the move as a necessar...