By Simon Lewis WASHINGTON (Reuters) -U.S. Secretary of State Antony Blinken said on Sunday that new U.S. visa bans on more than 2,600 Russian and Belarusian military officials included personnel believed to have operated in Bucha, a town outside of Kyiv where Russian forces are accused of executing residents. Announcing a new policy of visa restrictions targeting Russian and pro-Russian forces in Ukraine, the State Department said it imposed bans on 2,596 members of the Russian military and 13 Belarusian military officials. The visa bans apply to the officials and their immediate family member…