NEW: The mom of a 15-year-old girl killed in a stairway collapse last year at the Portsmouth Portuguese American Citizens Club has filed a wrongful death lawsuit. The suit alleges the club “knew or should have known” the stairs were unsafe. www.wpri.com/target-12/mo...

Mom of teen killed in stairway collapse sues Portuguese American club in PortsmouthThis is the second lawsuit against the club following the deadly incident one year ago this month.www.wpri.com