Iowa building collapse claims three lives, lawsuits filed for negligence.

Three men were killed in the collapse of a six-story apartment building in Davenport, Iowa, and lawsuits have been filed against the city and the building's current and former owners for failing to warn residents of the risk. City documents suggest concerns about the building's integrity were conveyed to the city and owner over the course of months. Tenants had also complained about a host of problems that were ignored by property managers. The cause of the building's structural failure is still under investigation.