Experts have said smaller social media sites have seen content targeting younger people

Politicians language fuels extremists grooming young people online, terror expert says

Bradley Scott and Matthew Keam

'Gym buddies' who hid steroid needles in Sainsbury's garlic bread jailed

A hole in a wall in a building in Burnage, Manchester following the fatal crash

Teen dies in Manchester police chase car crash

The 17-year-old boy was stabbed in Walthamstow

17-year old boy stabbed in Walthamstow, east London

Paramedics were called to Crompton Street in Farnworth on Friday

Man arrested after the death of a 10-month-old baby in Manchester

A car was seen covered at the scene the morning after the incident.

Man arrested after girl hit by car while trick-or-treating

Two men were taken to hospital after a stabbing in Shepherd's Bush

Night of stabbings in London as five knifed in three attacks

Police at the scene outside Barking station

Two teenagers knifed in attack outside east London Tube station

James Amadu was killed in north London around 1pm on Thursday

Two teens arrested over Enfield murder

Vauxhall Bridge was closed around 4pm

Vauxhall Bridge closed after abandoned vehicle found next to MI6 building

Dwaine Junior Haughton, 24, was shot dead in July 2018

Four men jailed for 94 years after fatal Wolverhampton car shooting

Eight people died in the attack on June 3 2017

Calls for crackdown on extremist propaganda in wake of London Bridge terror attack

Conor McGregor leaving Dublin District Court

Conor McGregor fined £861 for assaulting man in Dublin pub

ronan

Essex lorry deaths: Police urge wanted suspect to hand himself in

Ben Gillham-Rice and Dom Ansah died after being stabbed at a birthday party in Milton Keynes

Milton Keynes murders: Teen charged with deaths of Ben Gillham-Rice and Dom Ansah

The pair were jailed following an investigation by the NCA

Two men who used gone off pizza cheese to hide cannabis jailed

Two men have been stabbed in north west London

Man knifed in the head in north London double stabbing

Denis Beytula has been convicted at court of killing his own baby son

Dad pleads guilty to murder of three-week-old son