the national cannabis feival invited enthusisiasts to enjoy e day at the stadium. >>> a frederick countyrch. how today's gunctre is con to a homicide from earlier this month. >>> and a tiger turns on the zoo keeper in kansas ♪ you know reliable support when you have it, and that dependabilityt is wha want to give our customers. at comcast, it's my job to constantly monitor our network. prevent problems, and to help provide the most reliable service possible. the network operations center for comcast. ng are working to make thi >>> frightening day at the zoo in toe pea ka, kansas. a tiger mauled one of the zoo keepers in full vw of visitors. this was sanji, the dangerous tiger that attacked the keeper inside its enclosure. e keeper had lacerations and puncture wounds on head, neck and back. the zoo's director said they will not put the animal down. he says the tiger acted like any tiger would and they're reviewing exactly what happened. >> and today mar 20 years since mass shooting at columbine high school. the service under way today to remember the 13 victims at littleton, colorado. vig