Muhyadin Ahmed Roble, AfricaNews reporter in Nairobi, Kenya
Sudan president Omar Hassan al-Bashir has threatened that if former southren rebels rejected to participate in next month's polls, a southern referendum would not occur. Bashir said the Sudan government will not accept a postponement to the national election. "Not even for one day".

But Sudan People's Liberation Movement (SPLM), former rebel group, said the polls cannot be free and fair election.
Sudan People's Liberation Movement Deputy Secretary-General Anne Itto told media that South Sudan president Salva Kiir will be meeting with Sudanese President Omar Hassan al-Bashir on Tuesday as to discuss concerns about the fairness of the upcoming election.
Speaking to the people in Khartoum, Bashir said "If the Sudan People's Liberation Movement (SPLM) refuses to hold elections then we will refuse to hold the referendum," according to a report broadcast by Al Jazeerah.
Sudan president Omar Hassan al-Bashir has threatened last week to drive out foreign election observers after they said April's vote should be delayed.
The Carter Centre, which runs the only long-term monitoring mission in the country, said last week that Sudan may have to delay its first multi-party elections in 24 years because of logistical delays and also hundreds of thousands of names missing from the voters list.
Both the Northerners and Southerners Sudan’s people will vote on April 11 to elect thier president.
The general election will be the first multi-party vote since 1986 and it was signed under a 2005 peace deal.
The Muslim north and Christian south Sudan have lived together after the 22-year civil war which brought into being the Comprehensive Peace Agreement on January 9, 2005.