The US Federal Aviation Administration said the move was taken after “updated assessment of risk” and a lack of airlines wishing to fly in the airspace.
The Islamic State is well-resourced, with young volunteers, cash to buy weapons and pay wages, plus an arsenal of weapons it captured from the Iraqi army in June.
A halt in more than a month of fighting, in which 1,945 Palestinians and 67 Israelis have been killed, had been set to expire at midnight on Wednesday.
Oman’s foreign minister Yusuf bin Alawi bin Abdullah said that the recent dialogue between Qatar’s emir and Saudi’s King Abdullah has been effective in easing the rift.
The UAE had 439 international schools in the second quarter of 2014- the highest number of international schools in the region- up from 433 in the first quarter.