VH1 News — Britney Spears halted her Circus show Wednesday night in Vancouver over a "ventilation issue." Apparently crew members became ill from a haze of cigarette smoke. more info

411 Mania — Britney not happy with her Canadian audience... more info

The Daily Mail — The singer was just three songs into the Vancouver date of her Circus tour when the stage went black and Britney vanished off the stage. more info

The Newsroom — 'Fleetwood Mac' lead singer Stevie Nicks talks about her first solo concert recording since 1985, why cell phones and computers make her mad and her hopes for Britney Spears. (April 9) more info

The Mirror — Britney Spears has apologised to fans after her concert in Canada was delayed because of smoky conditions. more info

Yahoo! Music UK — world entertainment news - Britney Spears dramatically stormed off stage for more than an hour on Wednesday after complaining the air in the venue had become too smoky. more info

Jam! Showbiz Music, Canada — VANCOUVER, B.C. - Britney Spears is apologizing to fans for briefly delaying her Vancouver concert on Wednesday night amid smoky conditions. more info

ET Online — Britney Spears tells fans she's sorry for walking off the stage during a concert last night in Vancouver. A statement posted on the pop star's Web site explains why she had to delay the concert shortly after it began. "We want to apologize to ... more info

Rolling Stone — Britney Spears stopped performing halfway through her concert at the GM Place in Vancouver, British Columbia, after smoky conditions and ventilation problems forced the singer and her dancers to leave the stage for more than 30 minutes, the Vancouver... more info

NME — Safety of crew cited as reason for mid-way hiccup more info