Kenyan president says attack "masterminds" will be dealt with Kenyan troops backed by Israeli agents on Sunday cornered Somali militants holding hostages inside a Nairobi shopping mall in a terrifying siege that has left at least 59 people dead. Kenyan President Uhuru Kenyatta on Sunday said they would deal with the "masterminds" of the attack, "swiftly" and "very painfully". Images and soundbites of President Uhuru Kenyatta