Clashes over the recent presidential election in the Ivory Coast have left at least 20 people dead and scores of others injured, Press TV reported.
Fighting broke out when the opposition supporters came face to face with heavily-armed government forces.
Alassane Ouattara's supporters wanted to march on the headquarters of state television - controlled by incumbent President Laurent Gbagbo.
Ouattara and Gbagbo have both claimed victory in last month's presidential election and both have appointed separate cabinets.
Ouattara has set up camps for his shadow government in a hotel protected by 800 UN troops. However, Gbagbo still retains control over the army and the ministries.
Meanwhile, the country's Electoral Commission and the UN have declared opposition leader Ouattara the winner of the disputed poll.
The camp of incumbent President Gbagbo has recently accused UN special envoy Choi Young-jin of backing post-election violence and clashes in the West African country.
"General Philippe Mangou, chief of army staff and head of all defense and security forces, holds Mr. Choi responsible for the unpredictable consequences that could result from these planned actions," Military spokesman Lieutenant Colonel Hilaire Babri-Gouhourou said in a statement on Tuesday.
President Gbagbo, who is under pressure to step down, accused the US-led western countries of meddling in Ivory Coast's internal affairs.
The country's 10-year President Gbagbo has expressed readiness to sit down and talk.
Ouattara, however, said he would not negotiate unless Gbagbo stepped down from office and respected the will of the Ivorian nation and the international community.
The disputed presidential election has raised the risk of a long power struggle in the country. The world's top cocoa-producing nation is still reeling from the 2002-2003 civil war, which split the West African country in two.
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