Iranian drones have struck Dubai and Abu Dhabi, with Bahrain and Kuwait also reporting damage.
At least 10 people have been killed across the Gulf so far, most of them security personnel or foreign workers.
Officials in Iran have warned that they could broaden attacks on regional infrastructure if Israeli and US strikes on their own facilities continued.
Subscribe here: http://bit.ly/1rbfUog
For more news, analysis and features visit: www.bbc.com/news
#BBCNews