Moscow, April 1 (IANS): Zaur Dadayev, the main suspect in the murder case of Russian politician Boris Nemtsov, pleaded not guilty at the Moscow City Court on Wednesday, TASS news agency reported.

Investigator Anton Migunov earlier said that Dadayev had given confessionary evidence many times that confirmed his guilt and complicity of other accomplices in the murder.

"My testimony was given under pressure and under orders. There are no witnesses and I have an alibi as during the murder I was at home," Dadayev said.

Dadayev claimed he was kidnapped on March 5 in Magas, the capital of Russia’s Republic of Ingushetia, and was taken to the Investigative Committee’s building in Moscow on March 7.

"I was abducted by unknown people and under the threat of my killing and the killing of my friend I gave testimony under orders," Dadayev said.

The investigator said Dadayev’s testimony was not the only evidence as Russia’s law enforcement bodies have other proof that cannot be disclosed on grounds of secrecy.

"The investigation into the criminal case is going on, investigative actions are carried out extensively including those aimed at finding the possible contractor of the murder," the investigator said.

Nemtsov, co-chair of RPR-Parnas and deputy of the Yaroslavl regional Duma, was killed in downtown Moscow late on February 27. Investigators believe that Zaur Dadayev was the killer of the politician, while Anzor and Shadid Gubashev, Khamzat Bakhayev and Tamerlan Eskerkhanov were the accomplices.