The death toll following a suicide explosion in the Somali coastal town of Marka, in the regional capital of Lower Shebelle has increased to at least 20.
The mayor of Marka Abdullahi Waafow was one of the people who died in this attack.
The Islamist militant group al-Shabab said it carried out the attack.
In a separate incident six people were killed in an explosion in the town of Afgoye.
In the capital Mogadishu, security officials said two al-Shabab fighters died when their explosives went off before they could carry out an attack.