MOGADISHU, Somalia \u2013 At least three people have been wounded in a grenade bomb explosion in Kismayo, a port town lies some 500km south of the Somali capital, Mogadishu. The grenade bombs were hurled into a residence of Second Deputy Speaker for Jubaland state parliament based in Kismayo, police officer, who asked to be anonymous said. He says the attackers are reportedly fled from the crime scene. But, security forces had arrested several people in connection with the attack, he added. There was no immediate claim of responsibility for the attack, but such attacks are often carried out by al Shabaab.