At least eight people were killed and several others wounded in twin explosions in a tea shop in the Somali capital Mogadishu on Saturday, an official said.
Again 12 people were killed when a vehicle carrying soldiers hit a landmine in South West state on Friday.
Al-Shabab has been fighting to topple the fragile central government in Mogadishu for more than 17 years, carrying out numerous bombings and other attacks in the capital and other parts of the country.
Somalia’s federal government depends on the support of foreign troops to stay in power.
The government has joined forces with local armed groups to fight the group in a campaign supported by an African Union force and US air raids.
Peoplesmind