This is very disturbing.
According to intelligence, London is on severe alert for a possible Mumbai-style attack.
A British Security source has said that subway stations and airports are "of particular concern to officials."
Looks like they're currently enacting more intense security precautions at subway and train stations, and at Heathrow Airport, but security sources say that an attack is NOT imminent.
Here's what a Metropolitan Police Officer had to say about it:
"The threat level to the UK is at severe, which means that an attack is highly likely, and has been since January 2010."
"We will police accordingly and use a range of covert and overt tactics which remain under constant review. As Assistant Commissioner of Special Operations John Yates said recently, recent events at East Midlands Airport and continued speculation about 'Mumbai-style' attacks serve as a stark reminder of the real and enduring threat we continue to face from terrorist groups."
And here's what a British Aviation Authority spokesman had to say about airport security:
"Security at our airports remains at a high level, and we remain vigilant at all times."
We're glad to hear that officials are taking measures to keep people in London safe.
Hopefully everything will be all right, and that security threat level will go down once again.