Authorities temporarily placed the White House on lockdown Monday after someone threw a metal object over the fence around the presidential mansion, officials said. Reporters working at the White House said a woman had been arrested. "An individual threw a metal object over the north fence line at the White House," the Secret Service said in a statement after the approximately three-hour lockdown ended.
RIO DE JANEIRO (AP) — The Rio de Janeiro Olympic venue facing the most serious construction delay has hit another snag, with City Hall saying it is changing contractors for the track cycling velodrome.
WARSAW, Poland (AP) — NATO Secretary-General Jens Stoltenberg said Monday that an upcoming "landmark summit" will enhance the alliance's defensive and deterrent presence in Poland and in the region, but decisions as to the number still haven't been finalized.