LISTEN: Sajid Mohammed from Himmah #Nottingham tells Capital 'We won't get broken...we will get united!' after #ManchesterAttack
The UK's terror threat level has been raised to critical, meaning another attack may be imment.
It means the armed forces could be out helping police at key sites like big sports stadiums and concerts.
Last night vigils were held across the UK, including Stapleford and Chesterfield, with ones planned this week in Nottingham and Leicester.
Sajid Mohammed from Himmah, a muslim community group in Nottingham, has told Capital this attack will not divide us but make us stronger: