Top al-Shabaab militant Zakariye Ahmed Ismail Hersi surrendered to Somali police. BBC News said Hersi, a leading figure in the group’s intelligence wing, surrendered to police in the Gedo region.
In June 2012, the US state department offered $3m (£1.9m, 2.5m euros) for information leading to his capture.
It comes three months after al-Shabab leader Ahmed Abdi Godane was killed in a US air strike.
A Somali intelligence officer, quoted by the Associated Press news agency, suggested Mr Hersi may have surrendered because of a dispute with al-Shabab members loyal to the former leader.
BBC Africa editor Mary Harper says Somali intelligence had received a tip off that he was hiding in a town close to the border with Kenya. He fell out with Godane last year and has been on the run ever since but he is still a powerful figure, she adds. Ahmad Umar was named the new leader of al-Shabab, days after Godane’s killing last September. Source: BBC News