Indian airlines Air India and Akasa Air said on Tuesday they were cancelling some flights after ash plumes from a volcanic eruption in Ethiopia disrupted operations.
Air India said it had cancelled 11 flights on Monday and Tuesday to make precautionary checks on aircraft that had flown over some locations after the eruption, following a directive to airlines from India's aviation regulator.
Smaller peer Akasa said it had scrapped scheduled flights with Middle East destinations such as Jeddah, Kuwait and Abu Dhabi scheduled during the two days.
The ash cloud is moving towards China and is expected to clear Indian skies by 1400 GMT Tuesday, the India Meteorological Department (IMD) said in a statement.
Ethiopia's Hayli Gubbi volcano sent ash plumes up to 14 km high after erupting on Sunday for the first time in recorded history, according to media reports.
On Tuesday, the ash had covered parts of Pakistan and northern India, according to tracking website Flightradar24, after crossing Yemen and Oman.
At least eight people died and 18 were missing after a ferry carrying around 270 passengers and crew capsized off north Cyprus on Sunday, leaving survivors clinging to its overturned hull.
Rescuers in Nepal and China raced on Sunday to find thousands of people missing after a glacier collapse unleashed a catastrophic mudslide across the Himalayas, as they faced challenging weather conditions and rising water levels.
A 22-year-old woman has been killed and five people injured, one seriously, in a shooting overnight at a rave in the Swiss town of Aarau which local police said could have been an act of terrorism.
An Israeli airstrike near a bakery in Deir Al-Balah killed two Palestinians, including a three-year-old child, and wounded several others on Sunday, health officials said.