New Bedford police said this evening that three people had been taken into custody in their city as part of the bombing investigation. New Bedford Police Lieutenant Robert Richard said his department assisted federal investigators in executing a search warrant at a home on Carriage Drive in New Bedford, about 10 minutes from the campus of the University of Massachusetts at Dartmouth, where Tsarnaev was a student. Richard said the FBI took two men and a woman into custody. “They appeared to be either fellow college students or fellow residents,” he said. Richard said Tsarnaev may have been affiliated with...