ANKARA: Turkey will "do what is necessary" if Azerbaijan requests support from Ankara, Foreign Minister Mevlut Cavusoglu said on Wednesday after being asked in an interview whether Turkey would provide military support.

Fighting between Azerbaijan and ethnic Armenian forces entered a fourth day on Wednesday in the biggest eruption of their decades-old conflict since a 1994 ceasefire.

Cavusoglu was speaking in an interview with state-run Anadolu news agency.