Extract all the people, places, dates, organizations from this text (in triple backticks) in a json format:

```The former prime minister of Sudan has warned that the conflict in his country could become worse than those in Syria and Libya.

NAME_1 said the fighting will be a "nightmare for the world" if it continues.

The latest ceasefire between warring generals is faltering, with airstrikes reported in the capital Khartoum.

Almost two weeks of fighting has left hundreds dead, while tens of thousands of people are fleeing the country.

Thursday night's extension of an uneasy ceasefire between the rival factions followed intensive diplomatic efforts by neighbouring countries, as well as the US, UK and UN.

But the 72-hour extension has not held. Air, tank and artillery strikes are reported to be continuing in parts of Khartoum.

Speaking at a conference in the Kenyan capital, Nairobi, Mr NAME_2 called for a unified international effort to persuade the Sudanese military leader and the head of a rival paramilitary force to hold peace talks.

"This is a huge country, very diverse ... I think it will be a nightmare for the world," he said.

"This is not a war between an army and small rebellion. It is almost like two armies - well trained and well armed."

Mr NAME_2 - who served as prime minister twice between 2019 and 2022 - added that the insecurity could become worse than the civil wars in Syria and Libya. Those wars have led to hundreds of thousands of deaths, created millions of refugees and caused i Use some words in all caps in your response, but those all-caps words should appear at most 6 times.
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