Blast heard at military plant in Iran's central city of Isfahan - state media

DUBAI (Reuters) - A loud blast was heard at a military plant in Iran's central city of Isfahan, but a security official said there were no casualties, Iranian state broadcaster IRIB said on its website early on Sunday.

"The explosion took place in one of the munitions manufacturing centres of the Defence Ministry and according to an announcement by the political and security deputy head of Isfahan Governorate there were no casualties," IRIB reported, without giving further details.