Here are the groups fighting in Yemen's war

The security sources said air strikes on Thursday and Friday hit five towns controlled by the Huthis around 70 kilometres (45 miles) south of Hodeida

Strikes, clashes kill 51 in Yemen

Saudi Arabia and its allies struck a day after Saleh's son vowed to lead a campaign against the Iran-aligned Houthis

Saudi-led coalition intensifies Yemen air strikes after Saleh's death

The Arab League said the Houthi movement which killed Saleh was "terrorist organisation".

After Yemen ex-president's death, Houthi leader reaches out to Saleh's party

Earlier, Yemen's rebel-controlled interior ministry had announced the killing of Saleh while releasing a video of his death.

Yemen's ex-president Ali Abdullah Saleh confirmed dead

Media controlled by the rebel Houthi movement quoted officials as declaring the "end of the crisis of the treason militia and the killing of its leader".

Yemeni ex-president Ali Abdullah Saleh killed in Sanaa fighting:  Reports

Coalition warplanes and Apache attack helicopters have been pounding rebels for several days in support of pro-Hadi forces

Nearly 70 killed in Yemen air strikes, clashes in last 24 hours

Head of Houthi rebel 'special forces', Hassan Almalsi, was killed 'during an infiltration attempt along with his squad at Najran'

Saudi-led coalition strike kills senior Houthi rebel leader in Yemen, say sources