The ceremony took place under tight security at a cave in Iraqi Kurdistan - the disarmament process is expected to last all summer.
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Watch: Today at the Test
Day two highlights from the third Test match between England and India.
Archer return and Root's record catch - as third Test hangs in the balance
Jofra Archer and Joe Root both had days to remember on day two of the third Test between England and India, with the tourists closing on 145-3 at the close, trailing England by 242 runs at Lord's.
Former Met Police commissioner Ian Blair dies
Lord Ian Blair served as the Metropolitan Police commissioner from 2005 to 2008.
Ruthless Sinner beats Djokovic to set up Alcaraz final
Italian top seed Jannik Sinner will face defending champion Carlos Alcaraz in the Wimbledon final after a devastating victory over seven-time winner Novak Djokovic.
Ruthless Sinner beats Djokovic at Wimbledon to set up Alcaraz final
Italian top seed Jannik Sinner will face defending champion Carlos Alcaraz in the Wimbledon final after a devastating victory over seven-time winner Novak Djokovic.
Archer strikes on comeback in see-saw third Test
Jofra Archer impresses on his comeback during an enthralling second day of the third Test between England and India at Lord's.
Rayner in deepening row with Unite union over Birmingham bin strikes
Unite announced earlier it had suspended her membership over the long-running dispute in Birmingham.
Some GPs to offer coaching to get sick people back to work
The aim is to help people return to work quicker and reduce the length of time they need fit notes - better known as sick notes.
MP Rupert Lowe cleared by standards watchdog after brief investigation
The standards commissioner says he is satisfied the former Reform MP did not break rules on declaring donations.
Two residents die after car crashes into care home following police chase
Two men, aged 21, are arrested on suspicion of manslaughter, police say.
Watch: Russians tell BBC how they think Ukraine war will end
Russian victory is a key message at the 'Patriotic Festival' a few miles outside Moscow.
Oasis sweep UK charts after reunion frenzy
The band go back to number one following their reunion, with two more albums in the top five.
Oasis sweep UK charts after reunion frenzy
The band go back to number one following their reunion, with two more albums in the top five.
'All my savings are going': Pub landlords fear closure as costs rise
Publicans have contacted Your Voice, Your BBC News to sound alarm about the future of the industry.
Watch: Moment child gets stuck inside a claw machine
The child was rescued unharmed from the toy crane game in the US state of Ohio by first responders.
Gaza's largest functioning hospital facing disaster, medics warn, as Israel widens offensive
Nasser hospital in Khan Younis has a critical shortage of fuel and had to stop admitting patients after Israeli tanks advanced nearby on Thursday.
Palace demoted from Europa League over ownership rules
Crystal Palace are demoted by Uefa from the Europa League to the Conference League next season but are set to appeal the decision.
Pogacar wins stage seven to retake Tour lead as GB's Onley comes third
Reigning champion Tadej Pogacar regains the race lead as he wins stage seven of the Tour de France.
Man killed outside five-star hotel in London's Knightsbridge named
Blue Stevens, 24, died in a stabbing outside a luxury hotel in west London on Wednesday night.