In Somalia's capital, Mogadishu, government forces and opposition fighters have exchanged heavy gunfire, as a row over delays to elections has escalated. President Hassan Sheikh Mohamud's term in office ended last month on the 15th but was extended by a year, with the opposition saying this is unconstitutional and called for protests on Thursday. Gunfire has been reported in several neighbourhoods of the capital. To unpack this latest development, we spoke to Dr Tendai Mbanje, a Governance and Elections Expert at the University of Pretoria