Wesley LePatner, 43, was among the four people killed by a gunman who stormed the Park Avenue building where she worked on Monday.

Investment giant Blackstone Inc said on Tuesday that a senior executive was among the people killed when a gunman, carrying an assault rifle, walked into the lobby of a midtown Manhattan office building and opened fire on Monday.

Wesley LePatner, a Blackstone executive who served as CEO of the firm's real estate income trust, was among four people murdered Monday when a gunman opened fire in a Midtown Manhattan office building that houses Blackstone's global headquarters.