Charice's mom has asked for an apology from the press who got mad after the international singer refused their request for an interview. The mom said that the singer was too tired for an interview and asked the press to understand her daughter. According to a rumor, it was Oprah Winfrey who ordered the tight security for Charice.
source: http://www.abs-cbnnews.com/entertainment/01/18/11/charices-mom-apologizes-appeals-understanding