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By Mushtaq Yusufzai

PESHAWAR, Pakistan — Four gun-toting suicide bombers died after launching an attack on a Christian community housing workers at a hydroelectric dam in northeast Pakistan on Friday.

One resident was also killed in the onslaught, the country's military said.

"The terrorists entered the residential colony and opened fire at the residents," an official told NBC News on condition of anonymity because he was not authorized to speak to the press.

Security forces engaged the group at the Warsak Dam and killed them, military spokesman Gen. Asim Bajwa announced via Twitter.

A boy cries following a bomb blast targeting a Christian colony in the Khyber Pakhtunkhwa provincial capital of Peshawar, Pakistan, on Sept. 2.BILAWAL ARBAB / EPA

Five people, two of them security personnel, were injured in the attack.

Soon after the attack near Warsak Dam, another suicide bomber struck a court some 45 miles east of the area and killed 12 people, according to Mardan police chief Faisal Shehzad.

At least 52 others were injured, he said.

The second attack began when a hand grenade was hurled at security guards near the main entrance of the judicial complex, Shehzad told NBC News. A suicide bomber then struck inside the compound near courtrooms and lawyers' offices, he added.

The Afghanistan-based splinter group of the ‎Pakistani Taliban, Tehreek-e-Taliban Pakistan Jamaatul Ahrar or TTP-JA, claimed responsibility for both attacks.