The incident took place at the Hurricane Festival in Germany
The pop-punkers played their first-ever performance at the Donington Park festival on Friday (June 13)
"One of my all time favourite songs ever"
Armstrong shared footage of the protests soundtracked to the band's 'Fuck Off', with fans saying it was the "perfect song for what's going on right now"
The two bands were competitive co-headliners on the 2002 'Pop Disaster Tour'
Rumours have been swirling about the project for more than 15 years
"This is kinda like being at your own funeral," said Billie Joe Armstrong
The 20th anniversary edition will also host sets from Sex Pistols, Jack White, The Pogues and many more
"All the way from the 'Boulevard of Broken Dreams' to Hollywood Boulevard"
Charli had ruffled feathers last week by wearing a "Miss Should Be Headliner" sash