Satellite imagery has detected another mass grave outside Mariupol, the besieged strategic port city in southeast Ukraine that's been bombarded by Russian forces for weeks, Radio Free Europe first reported on Monday.
Driving the news: The third mass grave site detected by U.S. firm Planet Labs' satellite imagery around Mariupol was captured from March 24 to April 24 in the Russian-occupied village of Staryi Krym, some five miles from the city, according to dates on the images and local officials.
