LONDON , England ( CNN ) -- British authorities told CNN Wednesday they are examining a home video that shows singer Amy Winehouse smoking something in a glass pipe minutes after she is heard saying she had just taken six tablets of the anti-anxiety drug Valium . The cover of British tabloid The Sun shows a video still of Amy Winehouse smoking a glass pipe . Scotland Yard said it had received the video from The Sun newspaper , which made it public Tuesday . A Grammy-nominated singer , Winehouse 's alleged battle with drugs have garnered constant headlines . Her hit song `` Rehab '' describes her reluctance to enter a rehabilitation center , which she did last summer . The tabloid said the 19-minute video was shot Friday in Winehouse 's East London home . The Sun posted an edited 2:12 portion of the video on its Web site . The Sun is Britain 's best selling daily tabloid newspaper . In the video posted online , Winehouse walks around her home in a dark tank top , talks to a friend on her cell phone , and talks to the person shooting the video . Watch CNN 's report on the video » . At one point , Winehouse says , `` I just took about six Valium . '' Sitting on her bed , she lights a glass pipe and inhales . It 's not clear what 's in the pipe . Her personal representatives referred CNN to her record company . Her UK label , Island Records , issued a statement saying , `` We are deeply disappointed and upset by these latest revelations and are doing everything we can to offer Amy our full support in dealing with her problems . '' In October , Winehouse and her husband were arrested at a Norwegian hotel for marijuana possession , and soon after fans booed her on stage as she slurred and stumbled her way through her songs . In December , tabloids published pictures of Winehouse with a mystery white powder in her nose . She was also photographed wandering barefoot on a London street , wearing only jeans and a bra , and appearing disoriented . Winehouse 's husband , Blake Fielder-Civil , is currently behind bars in London on charges of perverting the course of justice following a bar fight . Her parents have publicly expressed concern that their daughter is succumbing to the pressures of fame . Winehouse received six nominations for next month 's Grammy Awards , including record and song of the year for `` Rehab '' and best album for `` Back to Black . '' E-mail to a friend .
Police examining video of Winehouse smoking something from glass pipe . marijuana tabloid The Sun obtained the video and gave it to police . Pictures have been published showing Winehouse with white powder in her nose . Winehouse received six nominations for October Grammy Awards .