that is why art collectors are banking on banksy. >> banksy - he's a well-known british street artistrted out with small street pieces in europe. and he's become very hot and in eight years he went from a few hundred pounds to selling a million dollar piece at sotheby. >> in this case it's pounds as in british money. >> it used to be the works were destroyed immediately. people are catching on - hey, we have something here. >> part of the banksy mystique is you never know where in the world he'll turn up. in cities across the globe he leaves a trail of graffiti art. usually done under the cover of darkness. this peaceful image of a heart-shaped balloon became an overnight sensation, people liging up for a moment of -- lining up around the block for a moment of communion. almost as quickly as it came it disappeared. >> i didn't sleep for three days until it got here. >> he brought the work to miami to drum up interest. it's estimated brooklyn paid several hundred thousands. for the owner of the building it's like hitting the lottery >>> fast-forward - talk about a jackpot. at his lates

that is why art collectors are banking on banksy. >> banksy is a well-known street artist.g with small pieces in europe. he's become hot. and in eight years he went from a few hundred pounds to selling $1.8 million at sotheby. >> reporter: in this case that's pounds as in british money. >> it used to be all the works were destroyed. people are catching on - hay, we have something >>> part of the mystique is you never know where he'll turn up. in cities across the globe he left a trail of graffiti art, under the colour of darkness. this image of a heart-shapen balloon became on overnight senn takes, with people lining up around the block for a moment of communion. then, almost as quickly as it came it disappeared. enter chris arnold in his gally. >> i didn't sleep for three days until this got here. >> he brought the work. it's estimated it will fetch several hundred thousands of dollars. for the owner of the building it's like hitting the lottery. >> fast-forward - talk about a jackpot. someone scored the banksy original for less than $200, the artist slipping into the gaza

banksy painted on their destroyed house to show he cares about palestinians' flights.palestinians' plight. now, they've lost his unexpected gift and they feel they're suffering even more acutely. "bbc news," gaza. >>> millions of people around the world take this drug. you might be one of them. notice it's from the u.s. or canada tylenol. if you're treating back pain you might be doing more harm than good taking the drug. we have sophie hutchinson to explain. this for australian scientists would be alarming to some people because many millions take this. >> this is back pain and osteoarthritis and a condition that affects millions and millions of people throughout the world. it looked whether paracetamol was any good of helping with pain in your hips or back. they found of the 5,000 people found in these 13 trials paracetamol didn't relieve symptoms of back pain and the arthritis was so negative there was no benefit. >> and it could be doing damage as well? >> absolutely. there was a side effect. the patients taking the paracetamol were four times more likely to have a

banksy painted on their destroy destroyed house to show he cares about palestinians' flights., they've lost his unexpected gift and they feel they're suffering even more acutely. "bbc news," gaza. >>> keep right up to date at our website or the latest on our nigerian election coverage. more about the winner mohama due buhari and our network of correspondents in the field, bbc.com/news. we have just been speaking to the spokesman for the outgoing president, goodluck jonathan who said he fully accepted the verdict of the election. back in a few minutes. ♪ ♪ attendant: welcome back. man: thank you. it's not home. but with every well considered detail . . . it becomes one step closer. no wonder more people. . . choose delta than any other airline. you can call me shallow... but, i have a wandering eye. i mean, come on. national gives me the control to choose any car in the aisle i want. i could choose you... or i could choose her if i like her more. and i do. oh, the silent treatment. real mature. so you wanna get out of here? go national. go like a pro. 19 years ago we thought, "

banksy's works have sold for as much as $300,000. talk about your seller's remorse. >>> get ready for more spring- like temperatures, erica is it's the biggest trade violation in history. today middle east governments are shredding open skies agreements they signed pumping over $40 billion in prohibited subsidies into their state-owned airlines. protectionism at its worst. and their actions threaten thousands of u.s. aviation jobs. it's time for middle east countries to play by the rules. restore competition. restore open skies. fight for american jobs. >>> today is national walking day. you can do a little walking and doctors are encouraging all of us to lace up the sneakers and get moving. >> yeah, because as matico sar shows us -- matt kozar shows us just a few minutes of walking a day goes a long way to making us all a bit healthier. >> reporter: the nurse is taking a stroll with her co- workers at mount sinai hospital in new york city. >> you can walk everywhere. you can walk to the supermarket, aquacort gym. -- to the gym. you

one of the world's most celebrated and secretive artists, banksy, and the caper that led his latest work to disappear >>> later, a hot spot in south-east asia. both for western tourists and for ongoing tribal tensions. long hidden from the world, burma reopens. an insiders view of the fight against the government, still under way. and hot on "america tonight" - five things you didn't know about the mother of the civil rights movements. her life-time of defiance that changed america. all on aljazeera.com/americatonight. >> al jazeera america, weekday mornings. catch up on what happened overnight with a full morning brief. get a first hand look with in-depth reports and investigations. start weekday mornings with al jazeera america. open your eyes to a world in motion. whose jobs are replaced by automation and robots. the digital resolution demanded a shared economy, letting consumers order cars to carpenters to condos, and tapping into excess capacity is efficient, it comes at a price. i talked about that price with guy ryder, the director-general of the international labour organization,

banksy is the name. usually his works sell for hundreds of thousands of dollars.after the story garnered worldwide publicity, we are told the family has the painting back. they were duped in to selling it for 175 bucks but everything worked out. >> nice to see that. >>> back here at home, a cautionary tale for anyone who uses car services like uber. a woman in denver said she got an uber ride to the airport this week. when she was dropped off the river returned to her home and attempted to break in. the woman's roommate foiled the alleged crime. the driver was arrested and charged. he's also not driving for uber anymore pending an investigation. >> well, that's a relief. >>> another uber driver is making headlines. not for robbing anybody. he's the subject of a you tube video that in two days has racked up more than 1 million views. >> that driver berated by an off-duty nypd detective is getting some sweet justice this morning. abc's mara schiavocampo has the latest. >> i've got news for you. >> reporter: an investigation in to one cop's conduct caught on camera.