Many of the local residents were invited at a main square in the district to watch the execution of the boy.
The Al shabaab group has accused Garad Ahmed Ashkir, 22, of murdering a woman after raping her, according to a resident in Haradere coastal area told Shabelle Media Network.
Women and very young children were among those summoned to witness the killing action.
Official from the group were present at the scene the execution penalty has taken place.
They say the boy was sentenced to death after distinctly confessed he raped the woman and then murdered.
Some of the locals expressed a deep anxiety about the execution sentence and described the sentence as hast decision with out investigation