A Dutch submarine that was out of radio contact for several hours surfaced Friday off the Scottish coast, ending a huge air and sea search for it, the Defense Ministry said.

The submarine came to the surface at 12:55 p.m. and made radio contact with a nearby Canadian warship. Both vessels were part of a joint anti-submarine military exercise, a Defense Ministry spokesman said.There was no sign the submarine was in any difficulty, he said.

A search was begun for the diesel-electrical submarine after it failed to respond to radio messages and a red flare was spotted at 6:30 a.m. in the area where it was thought to be. Efforts to contact the ship were unsuccessful, the spokesman said.

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