Pakistan, July 30 -- At least four people including a police officer were killed Monday after a gunman walked into a skyscraper in central Manhattan and opened fire in broad daylight, officials said. A fifth victim was also in critical condition after being shot, while the gunman apparently took his own life, Mayor Eric Adams told a late-night briefing at a hospital near the scene of the shooting. The gunman was caught on surveillance footage leaving a black BMW carrying an M-4 rifle before entering the building, immediately opening fire on a police officer before "spraying the lobby" with bullets, police commissioner Jessica Tisch told a press conference. An office tower block at 345 Park Avenue - home to hedge fund giant Blackstone, aud...