on coastguard island in alameda, a remembrance ceremony is happening including senior navy and coast guard officials as well as survivors of the pearl harbor attack. at 9:55 a.m., a ceremonial reese will mark the exact moment that the attack began followed by a 21 gun salute. >>mark: we will be right back as the kron4 news continues. here is video from the raid in san francisco on occupy san francisco as if the department of public works is cleaning up the encampment. over 70 people were arrested and the tents are being taken down this morning. will follow the latest and go back like justin herman plaza. >>darya: breaking news, a surprise move as police moved in at 2:00 a.m. over justin herman plaza to break up the occupy san francisco movement. we spoke with the chief of police to talk about how all of this went down. >> good morning. >>darya: tell me, why at this time? when was the decision made? >> late yesterday afternoon, negotiations broke down. with the unprovoked attacks on officers last thursday, the situation appeared to be deteriorating inside the camp and outside the camp