"The circumstances of this brutal attack are not yet known and no effort will be spared to shed light on what happened," Di Maio said on Facebook, calling the victims "two servants of the state."
"Xaaladaha weerarkaan wuxuushnimada ah wali lama oga, dadaalna looma dhaafi doono si loo iftiimiyo waxa dhacay," ayuu yiri Di Maio, isaga oo maamuusaya dhibbanayaasha.