In South Korea, prosecutors are set to question President Park Geun-hye over allegations of political corruption in a scandal that has engulfed her presidency. <br/><br/>Officials say, this will be the first time a sitting President will be questioned by prosecutors. South Korean news agency Yonhap quoted officials as saying Ms Park's questioning should take place no later than Wednesday. <br/><br/>Ms Park is accused of allowing her friend, Choi Soon-sil, to manipulate power from behind the scenes. Hundreds of thousands rallied on Saturday to demand her resignation. Prosecutors have also questioned top bosses at Samsung, Hyundai and Korean Air.