Families of two Hungarian tourists killed in the sinking of a Ride the Ducks boat file suit.
Attorneys urge city to end Duck Boat cruises on the Delaware.
Tug pilot could face felony charges in case of "Ride the Ducks" fatalities.
Man can be heard yelling for boats to watch out at same time as crash.
The Streets Dept. has allegedly failed to compile safety reports for tour vehicles.
City contract with tugboat firm that hauled barge into Ride the Ducks boat is suspended.
Two Hungarian exchange students died after tour boat was overtaken by barge in Delaware River.
Another unlucky duck tour boat accident only a week after Philly's fatal crash.
The tugboat mate involved in that deadly duck boat crash last week is now off the job and has gotten a lawyer.