Colin Dwyer

Russian police detained Alexei Navalny for less than an hour Thursday, the prominent opposition leader tweeted Thursday. Navalny said that during the brief arrest, which came just as he was leaving a dental appointment, officials warned him that he faces up to 30 days in prison for organizing illegal protests.

"They offered me a lift somewhere," he said, according to a translation by Reuters, "but I declined and have gone to work. I don't understand what happened, and why it took seven people to detain me."

Aleksandr Krushelnitckii has officially lost his Olympic bronze.

As evening settled over eastern Ghouta on Tuesday, the suburb just outside Damascus lay battered by 48 hours of sustained airstrikes. And the approaching night promised still more horror for one hospital.

By 5 p.m. local time, the Syrian American Medical Society says, barrel bombs had begun to fall in a downpour about the medical facility.

The NCAA has confirmed the University of Louisville must give up its 2013 national championship in men's basketball, denying the school's appeal of a decision last year that penalized the Cardinals' program for "arranging striptease dances and sex acts for prospects, student-athletes and others."