Police are taking nary further enactment implicit Kneecap's show astatine Glastonbury.
Officers said they had investigated "comments astir a forthcoming tribunal lawsuit made during Kneecap's performance" astatine the festival connected 28 June.
However, aft Crown Prosecution Service advice, they decided determination is not capable grounds "to supply a realistic imaginable of condemnation for immoderate offence".
The Avon & Somerset unit started investigating the Irish group's amusement past month, arsenic good arsenic comments by punk-rap duo Bob Vylan.
It said they were looking astatine a imaginable nationalist bid incident.
Police said connected Friday that the probe into Bob Vylan's show was ongoing.
The London duo were wide criticised - and caused a BBC crisis - aft starring on-stage chants of "death to the IDF" (Israel Defence Forces).
Kneecap posted a photograph connected Instagram, which the radical said was an email from constabulary announcing the lawsuit was being dropped.
They said their packed Glastonbury gig was a "celebration of emotion and solidarity" and reporting utilized "wildly misleading headlines".
Fears implicit what Kneecap mightiness bash oregon accidental during the show had prompted the BBC not to amusement it live.
The radical said: "Every azygous idiosyncratic who saw our acceptable knew nary instrumentality was broken, not adjacent close... yet the constabulary saw acceptable to publically denote they were opening an investigation."
"There is nary nationalist apology, they don't nonstop this to media oregon station it connected constabulary accounts," they added.
The constabulary connection connected Friday said they had informed Kneecap of their determination to driblet the case.
Read much from Sky News:
Snoop Dogg becomes a co-owner of Swansea FC
American Idol TV enforcement and hubby changeable dormant
One of the group's members appeared successful tribunal successful June charged with a panic offence.
Liam Og O hAnnaidh is accused of displaying a emblem successful enactment of Hezbollah, a proscribed organisation successful the UK, astatine a gig past year.
He was released connected unconditional bail up of a 2nd tribunal quality successful August.