Arthur Collins has been captured regarding the east London dance club, which left two revelers halfway blinded and others distorted.
The 25-year-old was captured at an address in Rushden, Northamptonshire, on Saturday, on doubt of endeavored murder.
Police looked for Collins after a toxic substance was splashed inside the Mangle club in Dalston on April 17.
Collins, from Hertfordshire, had been involved with Ms McCann, best known for her appearances on The Only Way Is Essex and I’m A Celebrity…Get Me Out Of Here!
After the episode she asked him to contact police.
His capture comes after a man was accused of in connection to a similar occurrence.
Andre Phoenix was accused of seven numbers of deplorable real mischief on Saturday, the Metropolitan Police said.
He will show up at Thames Magistrates’ Court on Monday.
Around 20 clubbers endured consumes in the wake of being splashed with the substance on Easter Monday, including a 22-year-old lady and a 24-year-old man who were both blinded in one eye.
Criminologist Inspector Lee McCullough of Hackney CID stated: “The poisonous substance utilized has not yet been affirmed but rather tests recovered from the scene have been sent for investigation.