Russian President Vladimir Putin has ordered military retaliation after accusing Ukraine of a drone attack on a student dormitory in Luhansk, which reportedly killed six people. Ukraine's military denies the accusations.

Russian President Vladimir Putin on Friday ordered his military to prepare options to retaliate against Ukraine for what he described as a drone attack on a student dorm that killed six people and wounded dozens, with 15 still unaccounted for. Putin said the attack had struck the dorm in Starobilsk in Luhansk, a Russian-controlled region in eastern Ukraine. He said Kyiv’s military must have ‌known what it was targeting. Ukraine’s military denied the Russian accusations and said it had struck an....