More than 300 people were killed in Somalia on Saturday, when two truck bombs were detonated in the capital city of Mogadishu.Officials say the al Qaeda-affiliated terrorist group al Shabaab is responsible for the attack, but the group has yet to officially claim responsibility.Al Shabaab is connected to more fatalities than any other militant group in Africa, overtaking Boko Haram in 2016. In just the first half of this year al Shabaab has been linked to more than 1,800 deaths.