The drivers, who were members of the Gauteng taxi association, were in a minibus driving along the R74 when unknown gunmen launched an ambush and opened fire.
Passengers were permitted this week to ride the first phase of the Abuja light railway system, which connects the international airport with other parts of the city.
Troops were deployed in some areas, with heavy rain and winds expected later on Tuesday and early on Wednesday.
A sleek ‘Hello Kitty’ bullet train festooned with images of the global icon from Japan began services on Saturday, drawing hundreds of fans to its opening ceremony.
The Qatar Stock Exchange was back on the positive trajectory, gaining 41 points to inch near 9,000 levels, mainly lifted by insurance, transport and industrials equities.
The Qatar Stock Exchange on Sunday opened the week on a stronger note, mainly on the back of strong buying interests in transport, insurance and consumer goods.
Ride-sharing company Uber on Wednesday said it was committed to its business in Turkey despite being hit with tough new regulations there.
Brazil's President Michel Temer, under pressure from a week-long national truckers' strike which led to fuel and food shortages, ceded to protesters' demands Sunday and slashed the cost of diesel.
An Indian tea vendor caught on video taking water from a train toilet before selling his drinks to passengers has been fined amid heightened concern in India over food safety.