U.S. immigration authorities have canceled the visas of more than two dozen people, including some who worked on a Disney Cruise Line ship, amid allegations that they possessed or had viewed child sexual abuse images. U.S. Customs and Border Protection said in a statement Friday that authorities boarded eight cruise ships in late April and determined that 27 people, mostly from the Philippines , were involved in “the receipt, possession, transportation, distribution, or viewing” of child sexual abuse images. The agency canceled the visas of those involved and returned them to their home countries, the statement said. The agency did not say if any passengers aboard the ships were believed to be victims. It also did not say which ships agents boarded, why those ships were targeted or where the operations took place. The statement said no additional information was available. At least some of the ships had docked in San Diego .…