The US and Iran have exchanged strikes for an eighth consecutive day after an Iranian attack on a base in Jordan killed two US soldiers and left another missing.

Iranian media reported that an under-construction nuclear power plant in the south-western city of Darkhoveyn had been struck overnight, as well as Qeshm Island. In Kuwait, an electricity and water plant was hit for a second time, local officials said.

Later on Sunday, three Iranian missiles were shot down by Jordan’s military and a fourth fell in a remote area, Jordan’s state news agency reported.

It followed a US warning that the Jordanian port of Aqaba could be targeted.

The US and Iran have ramped up attacks against each other in recent days, with both sides accused of striking critical infrastructure.

Washington has also reimposed its blockade of Iranian ports and Tehran has declared the Strait of Hormuz – a key oil shipping route – closed, with their preliminary ceasefire collapsing less than a month after it began.

Israel’s military said that “several interceptors were launched toward missile debris in order to prevent debris impact within Israeli territory” after projectiles were launched towards Jordan on Sunday.

It said “interceptor fragments” were subsequently identified near the southern city of Eilat, near the countries’ shared border, with no damage or injuries reported.

Meanwhile, Iran’s Islamic Revolutionary Guard Corps (IRGC) said two vessels had ignored Iranian warnings not to transit the Strait of Hormuz and were consequently involved in “an accident”.

It warned that all vessels “influenced” by the US and which used “unsafe routes” would “certainly face accidents”.