A New York City office building where a gunman killed four people then himself has reopened a week after the deadly shootings ...

After the fatal shootings at Rudin Management’s 345 Park Avenue, building managers and companies are also considering long-term security changes.

The lobby of 345 Park Avenue reopened for the first time since last Monday's mass shooting that left four innocent victims dead.Monday marks one week since the tragedy and it isn't an easy day for ...