'Key witness lied' in Kenya's ICC case says defence lawyer

They are to go on trial on April 11, a day after two other accused and former opposition members, ex-minister William Ruto, and radio boss Joshua Arap Sang face similar charges.

"The channel to respond to all submissions presented to the Chamber by any party to proceedings before the court is through a filing to the judges and not through the media," Bensouda's office added.

In Nairobi, an official for the pro-Kenyatta organisation "Justice 4 Uhuru" welcomed Kay's filing, saying "the case (against Uhuru) should be dropped altogether."

"Without this witness, the case is entirely based on gossip and hearsay," the official contended.