June 6, 2016 2:30 pm Protest Held at Serra HS in Principal Controversy NBC 7’s Chris Chan reports on the incident Monday where several parents held signs and handed out flyers demanding the district remove Serra HS Principal Vincent Mays. US & World Videos 0:53 What are those blue blobs piling up on San Diego beaches? Velella velellas! 0:35 Blue blobs washing up on San Diego beaches again 2:52 Poway Unified fires superintendent following investigation into bullying claims 0:34 5 people injured after falling from border fence 0:53 San Diego City Council Committee approves San Diego's next police chief