Outraged residents took to the streets of the southern African nation when a taxi strike descended into chaos.

What began as protests against fuel price hikes in Angola have escalated into deadly unrest across the country, with at least 22 people killed and more than 1,000 detained, prompting calls from the UN for restraint and urgent investigations into possible rights violations by security forces.

Unrest in Angola this week over a sharp fuel price hike has left 22 people dead and more than 1,200 arrested, the government said on Thursday .