Liam Óg Ó hAnnaidh is accused of displaying a flag in support of proscribed terrorist organisation Hezbollah.

The 27-year-old was charged by postal requisition over the alleged display of a Hezbollah flag at a gig at the O2 Forum in Kentish Town, north London, in November last year.

The group have been outspoken on the war in Gaza and before they emerged on stage a screen displayed the message ‘Free Palestine’.

The Irish rap trio are playing the festival on Friday evening in Brockwell Park.

A member of rap group Kneecap has been charged with a terror offence, the Metropolitan Police said.

DUP MP Sammy Wilson also described the rap trio as the ‘musical wing of Sinn Féin’.

The Irish-language film that depicts the rise of the Belfast rap trio landed six nominations at the Bafta film awards