New Delhi, Dec. 22 -- Some 130 schoolchildren and staff abducted from a Nigerian Catholic school last month by gunmen have been released, police said Sunday.

Gunmen seized at least 303 schoolchildren and 12 teachers in Nigeria's north-central Niger state when they attacked St. Mary's Catholic School in the Papiri community on Nov. 21.

Fifty escaped in the hours that followed and 100 schoolchildren were freed earlier this month.

Niger State police spokesperson Wasiu Abiodun said in a statement that "the remaining batch of the abducted students" has now been released.

"A total number of 130 victims including the staff have been released," Abiodun said.

When asked about the 35 unaccounted for schoolchildren and missing teachers, Abiodun...