A photo of a JW literature trolley with no JWs manning it looks like it may have been left there from the night before just after the police ordered the shopping mall area cleared
The mall was evacuated in the morning due to an completely unrelated incident. The cart has obviously just been abandoned during the evacuation. I'm amazed people are making such a big deal over this, there are plenty of things to criticize the JW's over but this is not one of them