A man was stabbed in one of the busiest public library branches in one of three violent incidents that took place on Friday afternoon and in the evening in prominent places in the D The stabbing took place after a fight around 17 hours. on the second floor of the branch in the Shaw neighborhood, said George Williams, spokesperson for the library system. He called the Seventh Street Branch and R, "one of our busiest places." Police said the victim was conscious and breathing. In the other incidents, a man was shot around 20:30. 14th Street and Columbia Road NW, near Columbia Heights tube station. He was conscious and breathing, said police spokeswoman Kristen Metzger. Earlier, a flight was reported around 4:45 pm. in the 1700 block of Connecticut Avenue NW. .