Nigeria, June 1 -- The presidential candidate of the Peoples Democratic Party (PDP), Atiku Abubakar, on Thursday, presented his first witness at the Presidential Election Petition Court in Abuja.

Atiku, who came second in the February presidential election, is challenging the victory of Bola Tinubu of the All Progressives Congress (APC) in the 25th February election.

Mr Tinubu was sworn in Monday as Nigeria's president, while three petitioners, including Atiku, continue to pursue their separate cases to challenge his victory.

Led in his evidence-in-chief by Chris Uche, Atiku's lawyer, the witness, Joe Agada, informed the five-member panel of the court headed by Haruna Tsammani that there were rampant cases of manipulation of electoral ...