The U.S. Senate race in Pennsylvania will now go to a recount, Secretary of the Commonwealth Al Schmidt has announced.

The unofficial returns in the race between Senator Bob Casey and Dave McCormick are so close that a mandatory recount is triggered under state law.

PHILADELPHIA — Pennsylvania’s nationally watched U.S. Senate race is headed to a recount after incumbent Sen. Bob Casey did not waive an automatic recount. The Associated Press called the race last week for Republican Dave McCormick,