If you've witnessed or been the victim of crime in London, help us to bring the offender to justice and make sure this doesn't happen to anyone else by reporting it here. Just answer a few quick questions below to find out the best way to get in touch. The kind of information you provide here plays a huge part in how we plan our policing of London.

Is it an emergency?

Does it feel like the situation could get heated or violent very soon? Is someone in immediate danger? Do you need support right away? If so, please call 999 now.

Advice tool

Report a crime that happened on a train or at a train station

Thank you.

In this case, please contact British Transport Police on 0800 40 50 40 or text 61016. They'll take down a few details, assess if a police presence is needed and talk you through the next steps.

For more information, visit www.btp.police.uk.