US launches ninth night of Iran strikes as strait of Hormuz standoff sees oil price pass $90 a barrel

After the US military confirmed that a service member had been killed in Iraq – the third in recent days – Donald Trump said the new attacks were ‘in honour’ of the dead

• Middle East crisis live: follow latest updates

The US launched a ninth night of strikes targeting Iran early Monday, after announcing the death of another American service member, as the price of Brent crude oil climbed above $90 a barrel, the highest level since June.

The US military said the service member was killed on Saturday in northern Iraq, where the US has military bases, during a controlled detonation of what was called unexploded ordnance on a downed Iranian attack drone.