A Russian drone struck Ukraine's SBU security service headquarters in Kyiv on Friday. The attack injured at least twelve people and damaged nearby buildings in the historic city center. President Volodymyr Zelenskiy vowed retaliation for the significant escalation of Russian air strikes. This strike occurred as U.S. negotiators prepared to visit Moscow and Kyiv. Diplomatic efforts to end the ongoing conflict have faced considerable challenges.

KYIV, Ukraine (AP) — A Russian drone struck the headquarters of Ukraine’s security service in central Kyiv, President Volodymyr Zelenskyy said Friday, ahead of diplomatic talks…

An air raid alert was activated in Kyiv at around 3 p.m. local time, followed by explosions in the city center about half an hour later.