Reuters — LOS ANGELES (Reuters) - Illness has forced singer John Mayer to cancel his shows in Amsterdam, Madrid and Manchester, a statement on his website said on Wednesday. more info

MTV.com News — Singer was scheduled for shows in Amsterdam, Madrid and Manchester this week.By Jocelyn Vena John Mayer Photo: Mike Coppola/Getty Images John Mayer has been forced to cancel the rest of his European tour dates after coming down with an undi... more info

VH1 News — John Mayer canceled the remainder of his European tour dates this week after reportedly getting ill. more info

Perez Hilton — Oh no! Sources are reporting that due to a "mystery illness", John Mayer has had to scrap his upcoming European tour. John seemed alright when he performed over the weekend in Copenhagen, Denmark, but according to his doctors, he suddenly fell ill a... more info

Big Apple Music Scene — John Mayer has canceled the remaining European shows on his Battle Studies tour due to an unknown illness. The singer was forced to scrap his concerts in Copenhagen, Madrid, Amsterdam and Manchester, according to a statement posted on his website. �... more info

Starpulse — John Mayer has canceled gigs across Europe after falling ill in Copenhagen, Denmark. The singer/songwriter performed at the city's Forum Copenhagen venue on Sunday and was due to play there again... more info

ContactMusic — John Mayer has been forced to cancel the remainder of his European tour.The 'Gravity' hitmaker has been suffering from an undisclosed illness and is to now return to... more info

ContactMusic — JOHN MAYER has cancelled gigs across Europe after falling ill in Copenhagen, Denmark.The singer/songwriter performed at the city's Forum Copenhagen venue on Sunday... more info

Perez Hilton — Lameballs. Check out John Mayer's latest exercise in self-indulgant douchebaggery music video for his new single, Half Of My Heart! Pretty boring stuff. Husband-to-be John sits around, acting emo and eventually bails on wedding, the bride probably is... more info

Idolator — John Mayer has been MIA since ending his Douchey Magazine Interview World Tour, popping up randomly in Jay-Z documentaries and clown pants. But he’s back, playing forlorn in the video for his single “Half of My Heart,” which features “Charlot... more info