Islamists in southern Somalia have stoned a man to death for adultery but spared his pregnant girlfriend until she gives birth.

Abas Hussein Abdirahman, 33, was killed in front of a crowd of some 300 people in the port town of Merka.

An official from the al-Shabab group said the woman would be killed after she has had her baby.

Islamist groups run much of southern Somalia, while the UN-backed government only control parts of the capital.

This is the third time Islamists have stoned a person to death for adultery in the past year.

Al-Shabab official Sheikh Suldan Aala Mohamed said Mr Abdirahman had confessed to adultery before an Islamic court.

“He was screaming and blood was pouring from his head during the stoning. After seven minutes he stopped moving,” an eyewitness told the BBC.

The BBC’s Mohammed Olad Hassan in Mogadishu says that if the woman is also killed, her baby would be given to relatives to look after.

Meanwhile, President Sheikh Sharif Sheikh Ahmed has accused al-Shabab of spoiling the image of Islam by killing people and harassing women.

“Their actions