President Obama sends troops to South Sudan

So what are the causes of the civil war and reasons for the breakdown of the peace deal?

The first aircraft will travel to Entebbe in Uganda for a refuelling halt of approximately three hours, following which they will depart for India, landing first in Thiruvananthapuram early tomorrow morning and thereafter coming to Delhi.

In the movie Airlift, the 48-year-old actor played Indian businessman Ranjit Katyal, who lead the the evacuation of his countrymen based in Kuwait during the invasion by Saddam Hussein's Iraq. The remaining passengers hailed from other South Indian states.

"The people hit hardest by this fighting are struggling to cope in appalling conditions", said Mahimbo Mdoe, UNICEF's representative in South Sudan.

"Indian Air Force is carrying out OP", she tweeted. Minister of State for External Affairs, VK Singh, who accompanied the passengers, told reporters at the airport that 156 persons have been evacuated, of whom two are from Nepal. However, the evacuation exercise faced a hurdle as many Indians, who had registered with the External Affairs Ministry for leaving South Sudan, refused to return, despite an appeal by Minister Sushma Swaraj on Twitter asking them to move out.

"It's a short-term mission but it can be complicated by new developments", Uganda's government spokesman Ofwono Opondo told Reuters, adding that "you can expect us to stay" if fighting flared again and more people wanted to leave.

"If there was anyone hunting for them, they could find them", Kiir said.

A United Nations agency said on Thursday that it has started relocating "non-critical" staff from South Sudan following five-days of fighting that saw hundreds of people killed and more than 36,000 others displaced.

It follows a revival in the conflict between troops loyal to President Salva Kiir and Vice-President Riek Machar.

"The situation in South Sudan deteriorated suddenly in the past three days".

The ceasefire announcement came as United Nations Secretary General Ban Ki-Moon called on the Security Council to impose an "immediate arms embargo" and targeted sanctions on leaders and commanders blocking implementation of the peace deal.

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