Sudan's armed forces were to deliver an "important statement" and asked the nation to "wait for it" on Thursday, state TV reported, as two senior officials said the military had forced longtime President Omar al-Bashir to step down.
The circumstances of al-Bashir's apparent ouster and his current whereabouts remained unclear, however.
State TV said an army statement was imminent amid swirling reports of a coup to replace the president of 30 years following mass street protests against his rule. The announcement raised expectations it was a sign al-Bashir was relinquishing power or was being removed by the military.
The two officials, who hold high positions in the government and the military, said the army was now in talks about forming a transitional government. The officials spoke to The Associated Press on condition of anonymity because they were not authorized to talk to the media.
Pan-Arab TV networks also carried unconfirmed reports that al-Bashir had stepped down and that top ruling party officials were being arrested. They aired footage of masses heading toward the presidential palace in the Sudanese capital, Khartoum, waving the national flag, chanting, and clapping.
Al-Bashir, who is a pariah in many countries, is also wanted by the international war crimes tribunal for atrocities in Darfur.
Eyewitnesses in Khartoum said the military had deployed at key sites in the city to secure several installations since the morning hours.
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Armored vehicles and tanks are parked in the streets and near bridges over the Nile River, they said, as well as in the vicinity of the military headquarters, where thousands were anxiously awaiting the army statement. The witnesses spoke on condition of anonymity, fearing reprisals.
Organizers of the protests urged crowds to converge and join an ongoing sit-in underway in Khartoum since the weekend. They issued a statement vowing to remain in the streets until the "regime steps down completely and power is handed to a civilian transitional government."
Thousands of protesters, including women carrying their children, were making their way toward the military headquarters, clapping and ululating, many flashing "V'' for victory. There were also unconfirmed reports that the airport in the Sudanese capital had been closed.
Ahead of the expected army statement, Sudanese radio played military marches and patriotic music. State TV ceased regular broadcasts, with only the brief announcement saying that there will be an "important statement from the armed forces after a while, wait for it."
The development followed deadly clashes between Sudanese security forces and protesters holding a large anti-government sit-in outside the military's headquarters in Khartoum, which also include a presidential residence. There were several attempts to break up the sit-in, leaving 22 dead since Saturday.
On Tuesday, Sudanese security forces tried again to disperse the sit-in, which began over the weekend, killing at least 14 people, activists behind the demonstration said. The government said 11 died. The fatalities so far have included five soldiers who protest organizers said were defending the sit-in.
The months of protests have plunged Sudan into its worst crisis in years. The demonstrations initially erupted last December with rallies against a spiraling economy, but quickly escalated into calls for an end to embattled al-Bashir's rule.
Security forces have responded to the protest movement with a fierce crackdown, killing dozens. Al-Bashir banned unauthorized public gatherings and granted sweeping powers to the police since imposing a state of emergency last month. Security forces have used tear gas, rubber bullets, live ammunition and batons against demonstrators
The protests gained momentum last week after Algeria's President Abdelaziz Bouteflika, in power for 20 years, resigned in response to weeks of similar protests.
On Saturday, marches in Khartoum marked the 34th anniversary of the overthrow of former President al-Nimeiri in a bloodless coup. It was one of the largest turnouts in the current wave of unrest.
The military removed Nimeiri after a popular uprising in 1985. It quickly handed over power to an elected government. The dysfunctional administration lasted only a few years until al-Bashir — a career army officer — allied with Islamist hard-liners and toppled it in a coup in 1989.
Since the current protests began Dec. 19, the military has stated its support for the country's "leadership" and pledged to protect the people's "achievements" — without mentioning al-Bashir by name.
Army troops have deployed to protect vital state installations but have not tried to stop protests and, in some cases, appeared to offer a measure of protection for the demonstrators.
All that raised the possibility that what was playing out in Khartoum on Thursday was a military takeover and removal of al-Bashir.
