Ukraine’s security service is stepping up pressure on Russia as its Alpha unit reports leading drone warfare results at the front.

BREAKING:Massive Ukrainian drone swarm attack against Russian-occupied Crimea.The drones are striking targets across the fuel-poor peninsula tonight. pic.twitter.com/P1mOezupzv

President Volodymyr Zelenskyy has said he has approved a 40-day influence operation by the Security Service of Ukraine (SSU) targeting Russia to push it towards ending the war.