May 3 (Reuters) - More than 50 miners were trapped after a huge explosion in a coal mine in northern Iran on Wednesday, and some were feared to have died, state media reported.

The reports said more than a dozen injured people had been transferred to hospital after the blast at 12:45 p.m. local time in the Zemestanyurt coal mine in Golestan province.

(Reporting by Bozorgmehr Sharafedin; Editing by Mark Trevelyan) ((bozorgmehr.sharafedin@thomsonreuters.com;))