Tonga prime minister challenges leaders to lose weight

Tonga's prime minister Akilisi Pohiva asked other leaders to fight obesity through a year-long weight-loss challenge. The challenge will start in September. He said: "When we meet the following year, we will weigh in again and see who has lost the most." Leaders have talked about this issue for many years.

Tonga's life expectancy has gone down from 71 to 68 because of obesity. He hopes Pacific islanders will look after their weight if they see their leaders doing the same. Pacific island nations are losing the fight against child obesity. The World Health Organization said 20 per cent of children in 10 Pacific island countries are obese.