A Syrian army helicopter flies over northern city of Aleppo on August 24, 2012.
Foreign-backed insurgents in Syria say they shot down a helicopter in the eastern part of the Syrian capital, Damascus, Press TV reports.
Reports say the insurgents killed the crew of the helicopter in an execution- style shooting after the incident.
Syrian state news agency SANA also said that the helicopter went down on Thursday in Douma, a town east of Damascus.
Syrian army also announced on Thursday that its troops arrested nearly 100 armed men near Damascus.
The army has stepped up its efforts to clear more areas of the country of the insurgents.
Syria has been experiencing unrest since March 2011. Damascus says ‘outlaws, saboteurs, and armed terrorists’ are the driving factor behind the unrest while the opposition accuses the security forces of being behind the deadly violence.