CHICAGO: An explosion which tore a hole in the side of a church and injured 33 people in Danville, Illinois, was caused by a bomb, federal authorities said. It was the second church bombing in the area in five months. But the Bureau of Alcohol, Tobacco, and Firearms said there was no evidence linking Sunday's explosion to a bomb which killed a 46-year-old church volunteer in December at a church in Oakwood, about 10 miles away. There have been no arrests in that incident.