From Scout:

Dept. of Homeland Security has raised the threat level due to this…

LONDON – Authorities in London thwarted a terrorist plot to blow up aircraft mid-flight between Britain and the U.S. using explosives smuggled in hand luggage, police said Thursday.

It is raised to red…. …..

“For that reason, the United States Government has raised the nation’s threat level to Severe, or Red, for commercial flights originating in the United Kingdom bound for the United States,” the statement said.

Hope you aren’t flying today. CNN International reports it will affect US airports.