Shiite rebels killed four clansmen of a prominent Yemeni tribal leader opposed to their month-long protest campaign in a gun battle in a Sanaa suburb on Tuesday, a tribal source said.

The deaths came as UN envoy Jamal Benomar pressed efforts to broker a deal to end the protests, which have seen tens of thousands of armed rebel activists camp out across Sanaa, cutting road links between the capital and the provinces.

President Abdrabuh Mansur Hadi has already agreed to involve the rebels in the formation of a new government to replace the unpopular administration which imposed austerity measures, including a sharp fuel price increase, earlier this year. […]