Artillery shells hit close to the city centre of the rebel-held city of Donetsk in eastern Ukraine, Reuters news agency reports.
People poured out of their offices onto the stairwell of the city's main administration building after loud explosions nearby triggered an evacuation warning. There were at least two further blasts near the city, the first time artillery shells have hit the area.
More top news
In a searingly emotive address, the president cast Hillary Clinton as the most qualified candidate to unify America as next US president.
The release is the second batch in a series of leaks that have rattled the Democratic Party.
The rare 1901 edition of The Tale of Peter Rabbit will go under the hammer to mark the 150th anniversary of the author's birth.