SOFIA, Bulgaria (AP) _ A mass grave containing the remains of nearly 40 people who apparently disappeared during World War II has been discovered in southwestern Bulgaria, the official BTA news agency reported.

The grave was found near the village of Dobrinishte, on the site of a hideout used by the anti-Nazi partisan Ivan Kozarev, BTA said in a dispatch late Saturday.

''Local people say the victims are probably some of the residents of the former Razlog district who went missing in October 1944,'' BTA said, without elaborating on the possible circumstances of their deaths.