The Boston Police Department has tweeted that a man is in custody after two unattended backpacks were found near the Boston Marathon finish line, a year on from the bomb attacks.
More top news
Slightly cooler temperatures will replace the recent muggy weather while some areas will see heavy rain.
Andre Greipel won the final stage of the 2016 Tour de France as Chris Froome crossed the line arm-in-arm with his Team Sky team-mates
An attacker armed with a machete killed a woman and wounded two others in the southern German city of Reutlingen.