Boston beefs up marathon security
Authorities are tightening security for the final two miles of this year's Boston Marathon, a year after two explosions near the finish line killed three people and wounded more than 260 others.
Mayor Martin Walsh and police commissioner William Evans said more uniformed and undercover officers would be stationed along the marathon's Boston route.
Authorities also have installed more than 100 cameras along the Boston portion, together with 50 observation points that will help monitor the crowd.
Thirteen ambulances will be deployed, together with 140 emergency medical service workers on foot patrol, bicycles, vehicles and in medical tents.
Officials are urging spectators to leave backpacks, pushchairs and other large items at home.
Meanwhile a magazine photo shoot for a cover marking the anniversary of the bombing drew thousands of people, including survivors, emergency workers, well-wishers and city chiefs.
The Sports Illustrated cover shoot was held at the marathon finish line, where hundreds of people had gathered to watch runners finish the race when the twin explosions occurred.
Organisers said about 3,000 people turned out for the Boston Strong photo shoot. Participants included Marc Fucarile, a 35-year-old roofer from Stoneham who lost his right leg above the knee in the bombings and was the last survivor to leave hospital.