Six mortar bombs landed near a border post in northern Saudi Arabia in an attack claimed by an Iranian-backed Iraqi Shi’ite militia, which said on Thursday it was warning the kingdom to stop meddling in Iraqi affairs.

The mortar rounds hit desert on the far northwestern fringes of the kingdom’s oil-producing region on Wednesday, several hundred kilometers (miles) from the major fields operated by the world’s largest oil exporter and biggest Arab economy.

“The goal was to send a warning message to Saudis to tell them that their border stations and patrol are within our range of fire,” Wathiq al-Batat, commander of Iraq’s al-Mukhtar Army militia, told Reuters in Baghdad by telephone. […]