Here is the latest news wrap from our news desk on the OSCE's warning about an escalation of violence.
The new EU Neighborhood and Enlargement Negotiations Commissioner Johannes Hahn says it is "crystal clear" there won't be a reduction in European Union sanctions on Russia, and that the recent events in eastern Ukraine instead can prompt Brussels to pile further pressure on Russia.
Barring any major developments, that ends the live blogging for today.
From our newsroom:
Four U.S. students have been ordered to leave Russia after authorities there said they had the wrong visas.
The four were attending a two-week leadership conference in St. Petersburg on November 6 when immigration officers and police showed up and demanded to see their visas.
A father of one of the students told the AP news agency they were briefly detained while they were put on trial and fined the equivalent of $110 each.
They were questioned for a total of seven hours, first at their hotel and then at immigration offices.
According to the Tass news agency, Yulia Nikolayeva, a Federal Migration Service representative in St. Petersburg, said the four had come to Russia on tourist visas but the activity they participated in was considered "social-political activity."
The conference was led by the Association of Young Leaders, a Russia-based association that teaches young people leadership skills.
The four flew back to the United States on November 11.
Based on reporting by AP, TASS, and the "San Jose Mercury-News" and TASS
News agencies and other sources report heavy shelling in the rebel stronghold of Donetsk in eastern Ukraine. Multiple explosions early today were said to have struck the city, one of two provincial capitals held by pro-Russian separatists.
An AFP correspondent said mortar shells were being fired from an area near the city center toward government-held positions around Donetsk's international airport.
Shelling occurs almost daily around the airport despite a September 5 cease-fire aimed to end the conflict that has killed more than 4,000 people since April. Each side has blamed the other for the continued fighting.