Officers are recovering from protests yesterday where they were struck with explosives, rocks, bottles, and wood.
Throughout the day officers were moving protesters away from the East Precinct after they threw an explosive at the building causing structural damage.
Window shattered at the East Precinct 
Hole blown in wall of East Precinct from explosive 
Plywood blown outward from explosive 
Damage from explosion 
Damage from explosion 
Explanation of how damage occurred courtesy of the Arson/Bomb Squad
In all 59 officers were injured throughout the day with one of those being hospitalized. Injuries ranged from abrasions and bruising to burns and a torn meniscus.
Abrasion caused by explosive device 
Pants burned by an explosive device 
Burn caused by explosive 
Burn caused by an explosive device
Officers arrested 47 people by the end of the protest for assaults on officers, failure to disperse, and obstruction. Detectives with the Arson/Bomb Squad continue their investigation into who damaged the East Precinct.