Help Flooding News Today

But serious questions remain tonight. david? >> ian pannell with us tonight. ian, thank you. and theres still much more ahead on this "world news tonight" tuesday. news this evening about a deadly bank shooting, and youll hear the 911 calls. the pleas for help flooding in. several people were killed. dispatchers could hear the shots being fired right over the phone. also tonight, more on the mystery outbreak affecting children, that rare polio-like illness. and now the list of states growing...