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 10 people were killed after Pakistani forces bombed the home of a local resident in Afghanistan's Khost province, Afghan Taliban spokesman Zabihullah Mujahid said on Tuesday.
Russian forces attacked the Ukrainian capital Kyiv early on Tuesday, triggering fires in at least two residential buildings and killing one person, a senior official said.
The head of Sudan's Rapid Support Forces has said late on Monday that his paramilitaries would immediately enter into a three-month humanitarian truce, after US PresidentĀ Donald TrumpĀ said he would intervene to seek an end to the war.
The Gaza Humanitarian Foundation (GHF), the US and Israeli-backed organisation to distribute aid in Gaza, said on Monday it was ending its operations after months of criticism over deaths of hundreds of Palestinians trying to reach its hubs.