Announcement comes after occupied Ukrainian regions vote to join Russia in referendum deemed rigged by the West; spending to go toward contracts for weapons and equipment

Package is largest shipment from Washington since conflict began six months ago, includes precision missiles for HIMARS system

Moscow-appointed official in Kherson says Antonivskyi Bridge still standing but vehicles can't cross due to holes; Ukraine warns HIMARS system will continue to punish invaders

Foreign Minister Lavrov says forces will now deal with targets beyond country's east because of new threat posed by arms given to Ukrainians