What to know about the Manhattan office building housing Blackstone, NFL that was scene of shooting
1. Four fatalities occurred in a shooting at Blackstone's NYC headquarters. 2. Blackstone recently expanded its office lease at 345 Park Avenue. 3. Shooting resulted in temporary office closures for Blackstone and KPMG. 4. One Blackstone executive was among the victims of the shooting. 5. The incident raises concerns about workplace safety in financial sectors.