As many questions remain unanswered in connection with a suspected chemical weapons attack in Syria, a gas cylinder found on top of a building has sparked controversy.A lack of hard evidence has led discussions to go back and forth over the main issue -- whether President Bashar al-Assad's regime used it as a barrel bomb containing chemical agent to kill civilians or cornered opposition fighters staged the attack in a bid to draw anti-Assad action.Hope that the truth will come out has been quickly diminishing as an investigation by the Organization for the Prohibition of Chemical Weapons ha…READ FULL ARTICLE