The Democratic Alliance is potentially in a good position to challenge the ANC, which governs South Africa, for power.
Opposition leader Mmusi Maimane's takeover of responsibility for tackling the Western Cape water crisis blurs party and state lines.
Are different ways of governing emerging from South Africa's cities governed by opposition coalitions?
South Africa's watershed local elections have resulted in upsets for the ANC in key metropoles. But will the new, minority coalition regimes live up to their mandate of providing basic services?
The opposition Democratic Alliance is hopeful that the African National Congress will fail to win a majority in three metros. This will open the door for it to rule in coalition with smaller parties.
In previous elections speculation in South Africa focused on the likely size of the ruling ANC's majority. This time the question on people's minds is: will the ANC win or lose Nelson Mandela Bay?