A vigil for NYPD Det. Didarul Islam, one of the four victims killed in Monday's Midtown Manhattan office building shooting, was held Friday in the Bronx.

Hundreds of officers from as many as 54 of the city’s 77 precincts in the city, as well as from states and counties in the surrounding area, attended the funeral

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.