P&O's Pacific Explorer returned to Sydney ahead of schedule today after reports of a glassing incident.P&O Cruises requested the NSW Police Marine Area Command to attend the ship this morning to remove "a group of people" as a result of their behavior overnight.A statement obtained from P&O reads that "this is in line with our strict policy of zero tolerance of excessive behavior that affects the safety, comfort, and enjoyment of other guests.""While these occurrences are rare, we have no hesitation in taking strong action when necessary to adhere to this policy"NSW Police Marine Area Command met the ship inside of Sydney Harbour this morning, P&O has stated that they are assisting police in their inquiries, and that "the group removed today will no longer be welcome to travel with P&O cruises or any of its associated brands"Guests onboard the three-night round trip will continue on their holiday, disembarking tomorrow morning in Sydney.