Three people died and more than a dozen were injured after a massive fire tore through a six-floor walk up in  Manhattan early Monday, officials said. Nearly 200 first responders rushed to the apartment building on Dyckman Street in Inwood at about 12:30 a.m. to find multiple terrified residents trying to flee from the fire escape. “This fire was a very serious fire. It unfortunately resulted in many patients,” Fire Commissioner Lillian Bonsignore said. At least 14 people were injured, including five who are in critical condition. The fire broke out on the first floor before tearing through the building…