Security Service of Ukraine (SBU) servicemen enter a building during an operation to arrest suspected Russian collaborators in Kharkiv, Ukraine, Thursday, April 14, 2022. Ukrainian authorities are cracking down on anyone suspected of aiding Russian troops under laws enacted by Ukraine’s parliament and signed by President Volodymyr Zelenskyy after the Feb. 24 invasion. Offenders face up to 15 years in prison for acts of collaborating with the invaders or showing public support for them. (AP Photo/Felipe Dana)
