India, July 29 -- Four people, including an NYPD member, were killed after a gunman opened fire in a Manhattan building that houses Blackstone's midtown office and the headquarters for the NFL. According to a report, during the shooting, the employees at the Blackstone office relied on emails and Microsoft Teams to alert each other.

According to a Wall Street Journal report, the employees shared messages warning that there was a shooter in the lobby. They warned others not to go downstairs. Some of the office goers barricaded themselves in bathrooms and offices. Reportedly, a Blackston employee was among those killed in the horrific attack.

New York Police Commissioner Jessica Tisch identified the gunman as Shane Devon Tamura from Las V...