BAA is advising passengers not to travel to any UK airports unless your journey is absolutely essential.

Due to new Department for Transport security measures, there are major delays and disruption to flights at all airports.

Hand luggage restrictions are in place on all flights.

Please contact your airline or visit www.baa.com for more information.

For 24-hour information on public transport in London, please call: 020 7222 1234.

TfL's Realtime pages display live travel information on London's public transport network: www.tfl.gov.uk/realtime

Journey Planner checks the transport network's status before providing results. The best available route is shown automatically: www.tfl.gov.uk/journeyplanner

Travel alerts via SMS and email can be set up at: www.tfl.gov.uk/alerts