According to a report by the Security Intelligence Review Committee, in 1971, one Burker, Geza Matrai, a Hungarian refugee, attacked Soviet Premier Alexei Kosygin during his visit to Canada. Matrai jumped on Kosygin's back, dragging him halfway to the ground before being arrested.
In 1971, a Hungarian refugee named Geza Matrai, who was an assailant, attacked Soviet Premier Alexei Kosygin during his visit to Canada.  Matrai jumped on Kosygin's back, dragging him halfway to the ground before being apprehended.