Syrian militants ride on a pick-up truck through a neighborhood the northern city of Aleppo.
Incoming reports from Aleppo show public concern is rising over the behavior of FSA militants.
According to a BBC correspondent, indicate that FSA militants are actively involved in theft, looting and kidnapping for ransom.
"We used to live like kings," a BBC reporter quoted one man standing hungry and frustrated in a long queue outside a local bakery as saying.
Syria has been experiencing unrest since March 2011. Many people, including large numbers of security forces, have been killed in the raging turmoil.
The Syrian government says the chaos is being orchestrated from outside the country, and there are reports that a very large number of militants are foreign nationals.
Several international human rights organizations have accused the foreign-sponsored militants fighting against Syrian President Bashar al-Assad's government of committing war crimes and crimes against humanity.