Latvia’s centre-right prime minister has resigned over her government’s handling of Ukrainian drones that strayed into Latvian territory from Russia , bringing down her coalition government months before elections due in October.

Evika Siliņa announced her resignation on Thursday, a day after the Progressives party, her left-leaning coalition partner, withdrew its support over her decision to fire the defence minister, Andris Sprūds, a Progressives member.

The Progressives’ move left Siliņa, who leads the centre-right New Unity party, without a ruling majority.…