21:06NewshourSaudi King Orders Review after Hajj DisasterBBC World Service Duration: 50 minutes Thu 24th Sep 2015, 21:06 on BBC World Service OnlineKing Salman asks for swift investigation after Hajj disaster; Pope Francis addresses joint session of Congress; Has the real Mona Lisa been unearthed?GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online