Al-Shabab group claimed responsibility for the attack, which came a day after a deadly car bombing in Mogadishu.
More than 50 soldiers were killed in the attack by al-Shabab fighters in May.
More than 1.6 million people could be affected by the unusually heavy seasonal rains.
People are losing their homes, livestock and farmland to the flooding in one of the poorest countries in the world.
Audiences are lapping up televised orchestra performances reviving Somali music for a new generation.
Somali authorities banned the platform, which young Somalis say the platforms is a source of livelihood for them.
The Somali government believes its army will be ready for the 2024 withdrawal of AU forces, but others arent so sure.
Armed group al-Shabab, which wages a war against the Somali state, uses the platforms to post its activities.
The AU mission is yet to confirm the number of casualties although al-Shabab claims to have killed 137 soldiers.
Kenya postpones reopening the border amid turbulent ties and al-Shabab attacks.