Iranian riot police clashed with angry protesters in the southwestern city of Abadan, according to online videos, and state-run media reported that the death toll from a building collapse there reached 31 on Monday. The official IRNA news agency said two more bodies were pulled from the rubble of an under-construction tower that collapsed a week ago. Rescue workers were continuing to clear the debris Monday and search for more victims under the toppled part of the Metropol Building. Out of 37 injured people, two remain hospitalised. The deadly collapse has raised questions about the safety of …