Chertoff: We've disrupted threat but can't assume that everyone in network has been neutralized. No indication currently of any plot in the US but as precaution we've taken immediate steps with respect to aviation.
The US government has raised threat level to the highest level of alert - Red - for airline flights from the UK to the US.
Chertoff: Want to prevent would-be copy cats. All inbound international flights and within the US - threat level at orange.
In light of the nature of the liquid explosives, we're temporarily banning all liquids as carry ons. No liquids or gels in carry on baggage. They must be checked.
Exceptions for baby formula nad medicines but have to be checked out at check point.
"but can't assume that everyone in network has been neutralized."
Yep.