Sir Keir Starmer has apologised for the "hurt" caused by his visit to a church which has been widely criticised for its attitudes towards homosexuality.
He tweeted on Monday that he accepted it was a "mistake" to visit the church, which has opened its premises up as a vaccination centre, but stressed he was "not aware" of the establishment’s views on gay rights.
"I completely disagree with Jesus House’s beliefs on LGBT+ rights, which I was not aware of before my visit," he tweeted.
"I apologise for the hurt my visit caused and have taken down the video. It was a mistake and I accept that."
The church’s senior pastor, Agu Irukwu, has attracted controversy after speaking out against same sex marriage and equality legislation.
The Labour Campaign for LGBT+ Rights had branded Sir Keir’s visit and subsequent social media endorsement of the church’s work as "unacceptable".
Following the party leader’s apology, the group tweeted: "Thank you Keir Starmer.
"We are pleased that you have recognised and apologised for this mistake."
After raising the matter with the leader’s office, the group said last week that it had received an "unreserved apology" and would be holding a further meeting to ensure it did not happen again.
In the now-deleted video, Sir Keir praised Jesus House as a "wonderful example" of a church serving its community during the coronavirus pandemic – including acting as a vaccination centre.
In 2017, Theresa May was criticised when she visited the church, although Boris Johnson and the Prince of Wales have both been to the pop-up vaccination centre there in recent weeks without attracting widespread comment.