Three more suspects have been taken into custody in connection with the April 15 Boston Marathon bombings, police said. The announcement was made on the Boston Police Department's Twitter account, where it has routinely made announcements related to the case. It said details of the arrests were to follow. Dual bombings at the Boston Marathon killed three spectators and wounded more than 250 people near the race's finish line. The suspects, Tamerlan Tsarnaev and Dzhokhar Tsarnaev, allegedly later killed a police officer before leading law enforcement officials on a manhunt. Tamerlan Tsarnaev, 26, was killed in a shootout with police during the chase while his younger brother, Dzhokhar Tsarnaev, 19, escaped and was captured hours later. He is now in a prison hospital and has been questioned by authorities.