Passengers have been advised not to travel to the airport until further notice and check with the airlines for specific flight information.
Cancellations are expected at London City Airport on Monday after an unexploded Second World War bomb was uncovered nearby.
Bomb disposal teams are now working to limit the risk to the public, as a 214-metre exclusion zone was set up and surrounding roads closed.
During the world war, London was heavily bombed and this is the reason such an ordnance was discovered during the preplanning work at the airport.
The airport authorities have urged all passengers to avoid travelling to the facility, through a Twitter post.
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A 214 metre exclusion zone has been put in place around the area while the navy attempt to remove the device.
"While we endeavor to progress the operation as quickly as possible and minimize disruption, it is important that all of the necessary steps and precautions are taken to ensure it is dealt with safely", the Metropolitan Police said in its statement. Passengers are advised not to travel to the airport until further notice. The Royal Navy was also deployed to the scene and confirmed the nature of the bomb, the police reported.
The passengers & travelers were asked not to go to the airport.
"The airport is cooperating fully with the Met police, Royal Navy and [the] London borough of Newham".