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".

Riyadh airport to designate terminals for flights from October 25
Around 1,200 Palestinians displaced in Hebron as Israel begins military operation
Jordan tightens security after deadly church attack kills nine
Houthi missile shrapnel falls in Saudi Arabia's Jeddah, Taif, Rabigh after interceptions
Violence flares in Paris after largely peaceful protests across France
