MOSCOW (Reuters) - A Russian national in a vehicle breached the perimeter of the U.S. Ambassador’s residence in Moscow on Friday, an embassy spokeswoman said, adding that he was intercepted by embassy personnel and passed on to authorities. There were no injuries and Ambassador John Sullivan was not in the building at the time, spokeswoman Rebecca Ross said in a statement. Moscow police have launched an investigation into the incident, the RIA news agency cited the interior ministry as saying, describing the vehicle’s driver as drunk.