At least 10 members of Pakistan's security forces were killed Wednesday in a suicide attack at a checkpoint near the border with Afghanistan, police told Efe.

The attack occurred at 1:10 p.m. at a checkpoint manned by the paramilitary Frontier Corps near the Wesh-Chaman border crossing, which is located in the southwestern Pakistani province of Balochistan,

Five Frontier Corps members and five police were killed, a police spokesperson told Efe, adding that a customs post was damaged by the explosion.

Wesh-Chaman, the second-most important border crossing between Pakistan and Afghanistan after the Khyber Pass, is used daily by thousands of people and is a transit route for numerous NATO supply convoys.

Taliban fighters frequently target allied convoys on both sides of the border, although those attacks usually only damage vehicles.

Separatist insurgents also are active in Balochistan, but they are not known to carry out suicide bombings.

In July, eight Afghans - five police and three civilians - were killed in a suicide attack at Wesh-Chaman when a man detonated an explosive device at a checkpoint on the Afghan side of the border.