NEW DELHI, Sept. 3 (PTI)-Seven Pakistani Sabre jets yesterday swooped over and attacked a prayer congregation inside a mosque in the village of Juarian, about 40 miles from Jammu in the Chhamb sector, according to All India Radio. It is believed that about 30 persons were killed. The villagers had earlier refused to co-operate with the infiltrations. It was to avenge this, that the Pakistani jets attacked the prayer congregation. The mosque was razed to the ground.