The boyfriend of TV celebrity Ferne McCann has been arrested on suspicion of attempted murder after an alleged nightclub acid attack.
Arthur Collins, 25, was wanted for questioning by police and had been urged to hand himself in by The Only Way is Essex star.
A 21-year-old man has also been charged over the alleged attack at the Mangle E8 club in Hackney on 17 April.
Andre Phoenix faces seven counts of grievous bodily harm.
Twenty people were hurt - including two people each blinded in one eye - after being doused with a substance at the club.
The Metropolitan Police said a man and a 22-year-old woman both lost their sight in one eye.
Other people were treated for severe burns following the alleged attack.
The substance has not yet been confirmed but samples retrieved from the scene have been sent for analysis.
The man blinded in one eye and another victim, a 29-year-old man, were transferred to a specialist burns hospital in Essex and have since been discharged.
Mr Collins from Hertfordshire was arrested at an address in Rushden, Northamptonshire, on Saturday.
Mr Phoenix will appear at Thames Magistrates' Court on Monday.
A 24-year-old old man arrested in north London over the attack on Friday has since been released, police said.