DUBAI/BANGALORE: Stock markets across the Gulf fell on Sunday morning after Israel and Iran launched fresh attacks on each other overnight, sparking fears of a widening conflict in the Middle East.

Israel said it had targeted Iran鈥檚 nuclear facilities, ballistic missile factories and military commanders in strikes that started on Friday and continued over the following days, in what it warned would be a prolonged operation to prevent Tehran from building an atomic weapon.

Iran responded by launching attacks on Israel and calling off Sunday鈥檚 nuclear talks that the US said were the only way to halt Israel鈥檚 bombing.

The Qatari stock market index slid 2.9 percent by around 10:15 Saudi time, with almost all constituents in negative territory. Among them, Qatar Gas Transport Nakilat extended losses and was down 3.1 percent, while Qatar Electricity and Water Company was down 1.7 percent.

Qatar National Bank, the Gulf鈥檚 biggest lender, retreated 3.3 percent.

Israel late on Saturday attacked Iranian energy infrastructure, including an offshore installation on the South Pars gas field, which Iran shares with Qatar, and is the source of most of the gas produced in Iran, stoking fears of potential disruption to the region鈥檚 energy exports.

萝莉视频鈥檚 benchmark index recovered some ground to trade 1.6 percent lower, after plunging 3.6 percent at the open as stocks fell across sectors.

In Kuwait, where the main index was down 4.3 percent, shares in Jazeera Airways fell as much as 10 percent, as airlines avoided the airspace over most of the region.

Elsewhere in the Gulf and wider Middle East, the Muscat Stock Exchange registered a 1.5 percent fall, the Bahrain index eased by 0.8 percent, while Tel Aviv stocks opened lower by 1.5 percent.

Oman was a mediator between Iran and the US in the nuclear talks.

The Dubai and Abu Dhabi bourses in the UAE, which will reopen on Monday, closed down 1.9 percent and 1.3 percent, respectively, on Friday.