Woman chewing coca leaves
Media playback is unsupported on your device
Video

Bolivian coca growers celebrate UN victory

Bolivia has managed to rejoin the UN's anti-drugs convention, despite allowing farmers to grow coca leaves.

It is a big success for the country's president, Evo Morales, who pulled out of the agreement last year saying it criminalised a traditional way of life.

But several countries are very unhappy with Bolivia's return.

Bill Hayton reports.