ow, six months after Saudi-led air strikes against Iranian-backed Houthi rebels began on 26 March, the war in Yemen has taken a terrible toll on the Arab world's poorest nation, with both sides accused of committing war crimes and most of the casualties being caused by the aerial bombing.
Long campaign
Six months into this war the situation is not quite a stalemate but both sides do appear increasingly entrenched.
The Houthi rebels, allied with forces loyal to the previous President Ali Abdullah Saleh, still occupy the capital, Sanaa, and much of the more heavily populated north and west of the country.