Swimmers have been informed that there will be no evening sessions today (June 26), following a similar stance last night (June 25).
An email sent out reads: “This is in response to inappropriate behaviour by a minority of visitors, and to ensure the heath and safety of the swimming community.
“On both days, the Lido will close at the end of the afternoon sessions due and will reopen for the morning session the following day.”
Parliament Hill Lido group has said there has been “poor behaviour on too many evenings recently.”
It continued on Instagram: “We know that many of you will be disappointed, but for the safety of our staff and customers, this decision has been taken.”
Last May Bank Holiday on May 25, a brawl broke out among two groups of young people.
It resulted in staff being injured and a visitor being bottled, along with a staff member’s car being significantly damaged.
Two people were arrested in connection with the incident.
Then from June 19, a new rule was enforced so that under 16s must be accompanied by an adult – normally up to four per adult – due to more issues from youths.
City of London Corporation warns that photo ID may be required to verify age and that bag searches can take place to ensure there’s no glass or “sharp metal items.”
Extra security has also been deployed to deter antisocial behaviour.