More than 1,000 Syrians died in airport prison under Assad, report says

FILE PHOTO: A satellite image shows Mezzeh military airport, at a time when it was being used as a detention center by the Assad regime and killings were widespread, according to witness accounts collected by the Syria Justice and Accountability Centre, in Damascus, Syria. Satellite image from June 3, 2014. MAXAR TECHNOLOGIES VIA GOOGLE/Handout via REUTERS/File Photo

(Refiles to fix typo 'imagery' in first bullet point)

DAMASCUS (Reuters) - More than 1,000 Syrians died in detention at a military airport on the outskirts of Damascus, killed by execution, torture or maltreatment at a site that was widely feared, according to a report to be published Thursday tracing the deaths to seven suspected grave sites.