An OSCE expert mission carried out the survey as part of its monitoring of the rights of prisoners of war. UPDATE 0640 GMT:Canada’s Prime Minister Mark Carney has called for “maximum pressure” on Russia, as Vladimir Putin refuses to halt his invasion of Ukraine. ORIGINAL ENTRY: Ukraine has further damaged Russia’s oil industry with a strike on one of the four largest refineries in the country. The facility handles about 5% of Russia’s total oil refining, producing 2.3 million tons of gasoline and 3.4 million tons of diesel last year. Putin denied that Russia’s invasion economy is stagnating, despite a report from the Central Bank that the country is technically in recession.