Drone sightings have disrupted flights at Singapore's Changi Airport for the second time in a week.
The disruption lasted about an hour, with 18 flights delayed, and seven more diverted.
In a statement, Singapore’s civil aviation authority said the disruptions at Changi airport late Tuesday was "due to bad weather and unauthorised drone activities".
"Members of the public are reminded that the authorities take a serious view of errant operations of unmanned aircraft which may pose threats to aviation or endanger the personal safety of others," it added.
The agency said investigations are "ongoing".

Peace deal hopes fade after Trump rejects Iran proposal
UK's Starmer defies calls to quit, says he is getting on with governing
Russia strikes Ukraine with drones as ceasefire ends
Dutch hospital quarantines 12 over breach of hantavirus protocol
Brazilian flotilla activist returns home, alleges torture during Israel detention
India's Modi to begin five-nation tour, including UAE
Malaysia searches for 14 missing after migrant boat capsizes
Trump says Iran ceasefire 'on life support' after he rejects Tehran's response
