Terrorists have to live somewhere. They will need a place to keep their bomb-making equipment. They need vehicles, and people to help them.
They may come and go at strange times of day and night. They may make unusual financial transactions. Someone you know may start to behave differently.
There is no single profile of a violent extremist or a single radicalisation pathway. There are, however, factors that can leave some one more susceptible to exploitation by violent extremists.
If you have become suspicious about somebody's activities or behaviour, or if you have any other information relating to terrorist activity, call the anti-terrorist hotline on 0800 789321 or police on 999.
If you are deaf or hard of hearing, you can use a text phone to call the hotline on 0800 032 4539 (text messages are not accepted.)
Your call will be completely confidential. There is no need for you to try to decide how important the information might be - the police can take care of that.
You may hold a vital piece of information.
For non-urgent crime prevention advice, owners of businesses should contact their local Crime Reduction Officer - call 01622 690690.
If you feel your company could benefit from security advice in relation to terrorism, you could contact one of our Counter Terrorism Security Advisers (CTSAs) - call 01303 289332.
Your CTSA can:
For more information vist the National Counter Terrorism Security Office website.
Terrorist groups have used fertiliser to make explosive devices for many years. Even in small quantities, some fertilisers can cause destruction.
If you are involved in using, storing or making fertiliser, you need to make sure it doesn't fall into the wrong hands.
For guidance and information on the security measures you should take, visit the government's Secure Your Fertiliser website.
The site is aimed at:
Report suspicious activity. Call the anti-terrorist hotline in confidence on 0800 789321
A radio advert Seen something suspicious? But you're thinking 'chances are, it's probably nothing'. But what if it isn't?
Report suspicious activity to 0800 789321