Celtic fans have been blasted after video footage of them singing chants about murdered solider Lee Rigby emerged online.

A video has surfaced showing a number of Celtic supporters singing on Bridge Street in Sunderland where the team were playing as part of the Dafabet Cup clash.

Words including "f*** Lee Rigby, he won't be f***ing drumming anymore" can be heard in the recording.

SNP MP James Dornan was one of many who took to Twitter to shame the fans.

Read more: Northumbria Police seek mobile footage of Celtic and Sunderland fans clashing as Glasgow teen charged

He wrote: "What is it about some football fans? @celticfc should find these guys & ban them for life from Parkhead. Disgusting."

This is disgusting, shameful & beyond belief- There can b no excuse #LeeRigbyRIP #Celtic https://t.co/EJ0YQMiHce — Aamer Anwar (@AamerAnwar) 31 July 2017

High-profile Scottish human rights lawyer Aamer Anwar added: "This is disgusting, shameful & beyond belief- There can b no excuse #LeeRigbyRIP #Celtic"

What is it about some football fans? @celticfc should find these guys & ban them for life from Parkhead. Disgusting https://t.co/DSw7jFYdhK — James Dornan SNP (@glasgowcathcart) 31 July 2017

There has also been an outpouring of embarrassment from Celtic fans who have been left shocked by the footage.

Lee Rigby, who was a drummer in the Royal Regiment of Fusiliers, was murdered in an Islamist terror-inspired attack near his army barracks in London in 2013.

Those 'fans' chanting about Lee Rigby do not represent me, or anything to do with Celtic. They should be banned for life. — Stand Up For Celtic (@StandForCeltic) 31 July 2017

As previously reported by the Evening Times, police in England are appealing for members of the public with mobile phone footage to come forward after Celtic and Sunderland fans brawled ahead of the game.

A total of 21 arrests have been made, the majority of which were for being drunk and disorderly, breach of the peace, and the use of illegal pyrotechnics.

Officers also confirmed that Glasgow teen Kasey MacKinnon, 18, of Bondyke Street, has been charged with public order and criminal damage offences.