TORONTO

Four young men were stripped naked, beaten with rocks and robbed at gunpoint while answering an online ad for a car for sale.

The victims were tortured for four hours in an underground garage before escaping the ordeal Monday night.

Toronto Police issued a warrant Saturday for one of the suspects.

Police said an 18-year-old man answered a Kijiji ad and decided to take three friends with him to check out the vehicle at a building in the Jane St.-Grandravine Dr. area.

When the four arrived, the were suddenly ambushed by a group of thugs including one who brandished a gun, said police.

All four were made to strip naked and robbed of their belongings. They were pummelled with rocks, threatened with a machete and had a gun aimed as they were forced to call family and friends to raise money for their release, police said.

The friends eventually escaped and called police.

Alhaji Kabba, 18, of Toronto is wanted for forcible confinement, robbery with a firearm, extortion, aggravated assault, assault with a weapon and failing to comply with recognizance.

Kabba is black, 6-foot-1, 180 pounds with black hair and brown eyes.

Police warn that Kabba is considered armed and dangerous and should not be approached.