Iran has unleashed a huge attack overnight on countries in the Gulf, with Bahrain experiencing the highest number of casualties since the beginning of the war.

32 people were injured in an Iranian attack on Bahrain’s island of Sitra, the interior ministry said, after Bahrain’s Bapco refinery was hit by drones overnight.

All of the wounded were Bahraini citizens and there were four ‘serious cases’, including children, the health ministry said in a statement carried by the state news agency.

Read more: Iran unleashes huge overnight attack on Gulf states with Bahrain seeing highest number of casualties since war began as refinery is hit and oil prices surge