At least seven people were killed in an explosion at a petrol station in a small village in northwest Ireland, police said Saturday, as emergency workers combed piles of rubble for more victims. Irish Prime Minister Micheál Martin said the death toll would likely rise. “(It’s) a shocking toll and there will be more, and it’s a search operation now and we hope and pray,” he said. “This is a tiny village in County Donegal attempting to comprehend an enormous tragedy this morning.”@skydavidblevins reports from Creeslough in Ireland where seven people have died following an explosion at a petrol s…