The US has launched strikes against targets in Syria and Iraq a week after three troops were killed and dozens were wounded in a drone attack on a military base in Jordan.
Washington blamed the attack on Tower 22, near the Syrian border, on Iran-backed militants.
On Wednesday, Sky News’ US partner network NBC News reported the US response could form a “campaign”, which could include strikes and cyber operations, that could last for weeks.
Iran’s Revolutionary Guards have previously said they will respond to any US threat.
Middle East latest: US begins wave of airstrikes in Iraq and Syria
It comes amid continued Houthi attacks on merchant shipping in the Red Sea, which has seen the US and UK launch retaliatory strikes targeting the group’s anti-ship missiles.
Earlier, US President Joe Biden and first lady Jill Biden joined grieving families at Dover Air Force Base to honour the three American service members killed in the drone attack in Jordan.
The solemn ritual, called a dignified transfer, has become relatively uncommon in recent years as the US has withdrawn from conflicts abroad.
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This story originally appeared on Skynews