Original sentence: A couple of the trucks have burst into flames; some sources attribute the source of the fire to gas canisters fired by the police, while other state it was a molotov cocktail allegedly thrown by a protester, based on video footage recorded during the clashes
Edited sentence: Some sources attribute the source of the fire to gas canisters fired by the police, while conspiracy theories on social media state that the destruction of aid was staged.with trucks bursting into flames shortly after