"The circumstances of this brutal attack are not yet known and no effort will be spared to shed light on what happened," Di Maio says.
"Xaaladaha weerarkan waxashnimada ah wali lama oga, dadaalna looma dhaafi doono si loo iftiimiyo waxa dhacay," ayuu yiri Di Maio, isaga oo maamuusaya dhibbanayaasha.