Four Yemeni troops died and two others were hurt on Thursday when they were ambushed by suspected Shiite gunmen in the northwestern region of Amran, a local official said.

New peace talks are under way between the Yemeni authorities and Zaidi gunmen to try to contain renewed clashes that have left at least 52 people dead since Friday, the Zaidis said on Monday

Six people died and at least 35 were hurt on Friday when a bomb hidden in a motorcycle went off outside a mosque in Yemen's northern city of Saada.