Ferguson has been quiet while a jury decides if Darren Wilson will be charged for the killing of Michael Brown, but Missouri is taking no chances.
Federal prosecutors have charged badly-wounded Boston Marathon bombing suspect Dzhokhar Tsarnaev in his hospital bed.
Floodwater from Hurricane Isaac jumped a levee in New Orleans but the barriers built to protect the city after the Katrina disaster were not breached.
Robert Kiprono Cheruiyot smashed the course record to win the Boston Marathon men’s race on Monday, while Teyba Erkesso captured the women’s title.