A Yemeni oil refinery burst into flames as it came under attack in the southern city of Aden, on Thursday.
A thick cloud of smoke shrouded the refinery which was hit with Katyusha rockets according to eye witnesses.
“Two Katyusha rockets, fired by the Huthis, hit the refinery in the morning, causing a fire that spread to a reservoir," a refinery official told AFP on condition of anonymity.
The refinery currently houses 1.2mn tonnes of crude oil and also has several gas tanks.
The latest attach came as government forces attempted to push back rebel militia.