AI needs "rigorous" testing and safeguards to contain risk, Andrew Bailey says.
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Grooming gangs inquiry expanded to Birmingham and Wales
Targeted investigations will be carried out as part of a national inquiry into child sexual abuse.
Police seek charges against 20 firms and 54 people over Grenfell Tower fire
The force is seeking charges against 54 individuals and 20 companies over the 2017 tower block fire that killed 72 people.
UK research funded by China front company being sent to Beijing's spies, MI5 warns
British universities are being urged to sever ties with China General Technology Research Institute which is linked to the Chinese Ministry of State Security (MSS).
Windies break their ODI batting record in India run-fest
West Indies dominate India's bowlers to pile up their highest ever total in one-day internationals.
Move to rejoin EU among options for UK, says Burnham
The prime minister tells the BBC the current Brexit settlement has caused "more harm than good".
Criminal investigation? Relegation or expulsion? The key Man City questions
BBC Sport takes a look at the key questions following the guilty verdicts handed down to Manchester City.
Criminal investigation? Relegation or expulsion? The key Man City questions
BBC Sport takes a look at the key questions following the guilty verdicts handed down to Manchester City.
WhatsApp introduces optional parental controls for teenagers
The social messaging app will let parents decide on privacy settings for their child's account.
What we know about Cornell University frat house rape investigation
The woman alleges she was drugged and raped at a fraternity house at the university two years ago.
Sussexes condemn 'reckless intrusion' after men spotted near Archie and Lilibet's school
One of the men seen outside the UK school attended by the children is understood to be an international press photographer.
Shane Richie banned from driving after speeding
The EastEnders star blames "baiting" from paparazzi as he is banned for six months.
Car thieves target Nissan Jukes as 11 stolen in one county in 24 hours
Security expert Michael Fraser says the cars have "valuable spare parts" and are "easy to steal".
Russia launches largest attack on Ukraine energy infrastructure since spring
In total 11 regions of the country were attacked overnight, with residential buildings and railways also targeted, the Ukrainian PM says.
Watch: Detail about new call to police changes RAF Fairford timeline
One of five men arrested near RAF Fairford in the early hours of Sunday morning had dialled 999 himself, the BBC understands. BBC's UK correspondent Daniel Sandford explains the timeline of events.
Residents fear new rules could mean dangerous cladding is left on blocks of flats
The government says it hopes the changes will speed up the process of removing cladding.
Republic of Ireland will play second Israel game - Hallgrimsson
Republic of Ireland head coach Heimir Hallgrimsson says the team's second Uefa Nations League game against Israel will go ahead as planned.
More talks over Drumcree dispute as stalemate continues
Northern Ireland Secretary Sir Chris Bryant is holding further talks with community leaders over the controversial Drumcree march.
Greggs to shut four factories and cut 740 jobs
The company says it needs to "keep evolving alongside changing customer expectations".
Last UK and US troops leave Iraq as anti-Islamic State mission ends
The withdrawal of coalition forces, under a deal agreed two years ago, was a key demand of the Iraqi government.
Peter Murrell's legal aid withdrawn after embezzlement conviction
The former SNP chief executive had been receiving government-funded support since last year.