Zuma under pressure to step down

> African National Congress has suffered a spate of graft scandals involving President Jacob Zuma. > Zuma was replaced as party chief by his deputy Cyril Ramaphosa in December. > Ramaphosa faces an uphill task to recover public support for the party ahead of 2019 elections. > Corruption allegations have tarnished Zuma’s image and eroded his support base. > Zuma faces pressure to resign before his presidential term ends.