India, July 29 -- In a chilling image now viral on social media, the body of the gunman believed to be involved in Monday's deadly shooting at a Manhattan office building in New York is seen lying motionless, one hand still gripping the assault rifle used in the rampage.

Police said the scene, an office tower block at 345 Park Avenue home to hedge fund giant Blackstone, auditor KPMG and the National Football League, had been "contained and the lone shooter is dead."

Meanwhile, the authorities have identified Shane Tamura as the gunman who opened fire inside a Midtown Manhattan building in New York City on Monday, killing at least four people.

Tamura is reportedly a Las Vegas native. According to unconfirmed reports, he is 27 years old....