Clashes in Yemen killed at least 66 people as forces loyal to President Abedrabbo Mansour Hadi pushed to oust rebels from a key stretch of the coastline. <br/><br/>Air strikes by a Saudi-led coalition and fighting near the strategic Bab al-Mandab strait killed at least 52 fighters among Shiite Huthi rebels and allied troops loyal to ex-president Ali Abdullah Saleh. Military sources said 14 members of the pro-government forces were also killed. <br/><br/>Loyalist forces launched a vast offensive on January 7 to retake the Dhubab district overlooking a key maritime route connecting the Red Sea and the Indian Ocean. The Saudi-led coalition intervened in Yemen in March 2015<br/>in support of the beleaguered president.<br/><br/>Meanwhile, United Nations peace envoy Ismail Ould Cheikh Ahmed arrived in Sanaa yesterday for talks and to push a peace plan that would restore a ceasefire and lead to a political transition in the country. WHO says that more than 7,400 people have been killed since the coalition intervention began.