LONDON—Police on Saturday released two more people who had been questioned in connection with the Westminster attack, as hundreds of investigators worked to piece together whether the attacker worked alone or with accomplices when he carried out a bloody rampage outside Parliament. After arresting 11 people in the days following the attack, by Saturday evening only one person remained in custody. A second person, a 32-year-old woman...

Source: Wall Street Journal March 25, 2017 19:07 UTC