Police investigating 2 backpacks at Boston Marathon finish line

Police investigating 2 backpacks at Boston Marathon finish line
Boston Police patrol an area near a bridge that overlooks the finish line of the Boston Marathon, Monday, April 14, 2014, in Boston. A year after twin pressure cooker bombs shattered the marathon and paralyzed the area for days, federal prosecutors say they have a trove of evidence ready to use against the surviving suspect, but many questions remain. (AP Photo/Steven Senne)

BOSTON (AP) — Police say they've taken a man into custody in connection with two unattended backpacks found at the Boston Marathon finish line.

Police spokesman Dave Estrada says the backpacks were discovered Tuesday evening, a year after two bombs in backpacks exploded at the end of the marathon and killed three people.

The bomb squad is checking the backpacks found Tuesday. Police have cleared the area. Trains are bypassing the nearby Copley Square station. The police department has tweeted asking people to avoid the area.

Survivors, first responders and relatives of those killed in last year's Boston Marathon bombing marked the anniversary Tuesday with tributes. Former Mayor Thomas Menino (meh-NEE'-noh) spoke at the nearby Hynes Convention Center.