The legendary rock band Green Day were spotted playing a secret gig at a London pub.<br /><br />The iconic punk trio were seen in the cosy boozer rocking out for unsuspecting fans ahead of another intimate gig at Camden's Electric Ballroom.<br /><br />The band comprising lead singer and guitarist, Billie Joe Armstrong, bassist Mike Dirnt and drummer Tre Cool recently announced their new album "Saviours."<br /><br />Video shows the set from The Marquis pub in Covent Garden where at one point the police arrived to "shut down" the event.<br /><br />Will Gamble, 27, a Regional Operations Manager said: "So my friend had a tip-off from a good friend close to the band that the show was happening at a bar on Chandos Place. <br /><br />"We actually walked into the wrong pub initially and sat in The Harp a few doors down being like “hmm surely it can’t be here?!” - turns out we were over-excited and turned into the first pub on the road that The Marquis was on. <br /><br />"Anyway we sank our pints quickly and walked into the Marquis at about 19:30 where there was a sign saying 'Busk Till Dawn@9pm' there were four other people at the front of which one had been tipped off after bumping into Mike Dirnt’s wife earlier that day that it was there."<br /><br />One of the punters put the location of the event on Reddit prompting a huge rush of people to the venue.<br /><br />At half past nine, a support band came on and played some covers - including hits from Green Day.<br /><br />Then at 10 o'clock the trio took to the stage and performed their set to a crowd of adoring fans - and regular pubgoers.<br /><br />Will added: "[Afterwards] we stood outside for like an hour in disbelief, along with the police turning up due to crowds on the road!<br /><br />"The first album I ever bought was Bullet In A Bible in 2005 - they are the reason I love music. <br /><br />"This felt like a full circle moment, I never thought I'd have the chance to see them at a smaller venue than when I saw them at Shepherds Bush Empire in 2012 - let a lone a pub!!!"
