Tens of thousands of military and police were deployed in the capital of the world's third-biggest democracy amid fears of more unrest after Thursday's decision, as protesters gathered outside the Constitutional Court.
The woman showing bravery and presence of mind, held on to his arm and yanked him off the motorcycle.
The move came a day after stores operated by the major supermarket chain, Shoprite, the telecoms giant MTN and other South African firms suffered looting and vandalism in several Nigerian cities, they said.
'Our shared goals are security of the UAE and Saudi Arabia and stability of the whole region. We also share a common destiny and future,' says Sheikh Mohamed Bin Zayed
South Africa and Nigeria stepped up security on Wednesday after deadly attacks on foreign-owned stores in Johannesburg triggered reprisals against South African businesses in Nigerian cities.
President Donald Trump said on Tuesday he fired national security adviser John Bolton, citing strong disagreements on a number of policy issues.
Pakistan has several legal options in response to the recent unprecedented decision taken by the Indian government, revoking Article 370 of its constitution, stripping the Indian Held Kashmir (IHK) of its special status.
Authorities in the main city of Indian Kashmir tightened security ahead of Friday prayers after separatists called for a protest march
O'Brien will be the fourth person to hold the post in the Trump administration.