because of the financial sanctions on Iran. Tehran

dispute

s this. It says Mr Amiri was kidnapped and tortured by the CIA.

World News from the BBC.

China has become the biggest worldwide investor in

renewable

energy, overtaking the US.

Two United Nations reports say China took the lead after opening new wind farms that produce as much electricity as 20 coal-fired power stations.

Nearly a fifth of the world's electricity now comes from renewable

sour

ces, including solar and hydropower that don't release greenhouse gases.

Pakistan's Foreign Minister Shah Mehmood Qureshi has spoken of the resumption of a dialogue with India after several hours of talks in Islamabad with his Indian counterpart SM Krishna. Relations soured after India accused Pakistan of failing to counter Islamist attacks in India. An assault by Pakistani gunmen in Mumbai in 2008 killed more than 160 people.

A court in Gambia has sentenced eight men to death for taking part in an alleged coup plot against President Yahya Jammeh four years ago. The president himself seized power in a coup in 1994. Caroline Duffield reports.

The eight men were found guilty of plotting to overthrow the government. They include the former army chief, the former intelligence chief and the former deputy chief of police. Eyewitnesses in court described people fainting and relatives

breaking down

as the death sentence was