The incident happened when worshippers were coming out of the mosque after performing the congregational prayers, Maj. Yahya bin Abdullah Al-Qahtani, spokesman for the Civil Defense in Jazan, said, adding that the mosque was damaged.

Meanwhile, the Saudi-led coalition denied claims that it carried out a strike on the historic old quarter of Yemen’s capital Sanaa on Friday.

“For sure we did not conduct any operation inside (the) city,” said Gen. Ahmed Al-Assiri, a consultant in the Defense Ministry, told AFP.

Al-Assiri’s comments came after claims that the coalition forces had carried out a bombing raid killing five people and destroying three houses in the UNESCO-listed heritage site.

In another development, a United Nations statement said that peace talks between the warring parties have been postponed to Monday from Sunday as one delegation is arriving late in Geneva.

Earlier, the world body announced that the UN special envoy would hold separate “proximity” talks with Yemen’s two main warring parties in Geneva on Sunday, in the hope of bringing them to the same table eventually.

“Due to unforeseen circumstances, one of the Yemeni delegations will now arrive in Geneva on Sunday evening, June 14. Therefore, United Nations Secretary-General Ban Ki-moon, and his Special Envoy, Ismail Ould Chiekh Ahmed, will begin consultations with the Yemeni delegations on Monday morning,” said a UN statement issued in Geneva where the three-day talks are to be held.