An opposition presidential candidate in the Democratic Republic of Congo has filed an appeal in the constitutional court against last month's poll result.
Martin Fayulu insists he won the vote and has demanded a manual recount, but the electoral commission declared rival Felix Tshisekedi the winner.
Troops have deployed near Mr Fayulu's residence and outside the court.
He accuses Mr Tshisekedi, also an opposition candidate, of making a deal with outgoing President Joseph Kabila.
Mr Fayulu arrived on Saturday at the court.
Announcing the appeal, his lawyer Feli Ekombe said, quoted by AFP: “The petition demands the annulment of the results proclaiming Felix Tshisekedi president of the republic. It was introduced yesterday [Friday] and today we have come to get the receipts for this petition.”
Speaking earlier to BBC Africa editor Fergal Keane, Mr Fayulu said: “I will do whatever is possible for me to do to get the truth because the Congolese want change.”
On Saturday, Mr Fayulu repeated that the result did not reflect “the truth of the ballot…
