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Jakarta tyre repairmen 'dropping nails'

20 March 2014 Last updated at 10:43 GMT

With more than 70 million motorcycles on Indonesia's roads, mending punctured tyres is big business - especially in the capital, Jakarta.

Police believe some tyre repairmen are paying suspected criminal gangs to throw nails onto the roads in an effort to drum up more business.

Now a community group is trying to make the roads safer by using home-made magnets to clear them of nails and other sharp objects.

Christine Franciska reports.

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