SEATTLE — On Sunday, the Seattle Police Department released video that shows improvised explosive devices being thrown at officers during violent protests Saturday. Authorities said 59 officers were injured, including one who was treated at the hospital. Officers used blast balls, pepper spray and sponge-tipped rounds in clashes with demonstrators and reported they had arrested 47 people. Content Continues Below During the violence, police were hit with rocks, bottles and improvised explosive devices while dispersing a crowd with blast balls. There was even an explosive used by someone to blast through the wall of the East Precinct, creating a small...