KABUL, Jan 21 (Reuters) - More than 100 members of Afghan security forces were killed when Taliban insurgents attacked a military compound in the central Maidan Wardak province on Monday, a senior defence ministry official said, speaking on condition of anonymity.

"We have information that 126 people have been killed in the explosion inside the military training center," the official said.

A provincial official also said the death toll was over 100.

A government spokesman declined to comment. Earlier the government said 12 people had been killed.

The Taliban claimed responsibility for the attack. (Reporting by Rupam Jain and Abdul Qadir Sediqi Editing by Raissa Kasolowsky)