On Monday, US President Barack Obama stated that the movement or use of chemical weapons inside Syria would be a "red line" for possible US military involvement in the conflict.
"We have been very clear to the Assad regime, but also to other players on the ground, that a red line for us is we start seeing a whole bunch of chemical weapons moving around or being utilized," Obama told reporters during a press conference, according to a transcript of his remarks. "That would change my calculus. That would change my equation."
The fighting has reached a tipping point and the region is in complete unrest. GlobalPost's Middle East Editor Peter Gelling offers some insight into the possibility of intervention and what could happen next.
For more, visit our series page Inside Syria.