FAIRFIELD - Fairfield police say they have arrested a man after finding chemicals, explosives and hundreds of guns in his home last week.

Joseph Callahan, 69, turned himself in to officers yesterday.

He is accused of illegal possession of explosives and manufacturing a bomb.

Police were called to Callahan's home on Bronson Road last week.

They say they found flammable chemicals and explosive materials inside.

Authorities say Callahan is cooperating with their investigation.