The incident has intensified a heated debate about the artwork that has enraged the ruling African National Congress.u00a0Television footage showed a white middle-aged man in a suit walking up to the portrait at a Johannesburg gallery and painting a red cross on president’s face and private parts.

X marks the spot: A protester is caught on CCTV defacing the controversial portrait of South African president Jacob Zuma at a Johannesburg gallery. Pic/AFP