Summit policing bill estimated at £250m
Woman found knifed in park toilet in London
Police warn Sinn Féin of bomb threat
Gunmen kill 24 in attack on Burkina Faso church
'Fake police officers' attack and rob London home
Three stabbings in under 90 minutes in London
UK to promote Chinese surveillance firm
Israeli soldiers duped by Hamas 'fake women'
Ardoyne shooting a 'savage attack'