A city councilman wants to close a discovery law loophole that’s sparking unnecessary criminal case dismissals — with a tweak ...

A 32-year-old man was fatally stabbed Saturday night in Jackson Heights, prompting a homicide investigation by the NYPD, officials said.

The victim was knifed once in the neck and twice in the chest near 34th Ave. and 96th St. in Jackson Heights about 7:40 p.m. Saturday.

Authorities say a 30-year-old man was shot in the chest and a 42-year-old woman was shot in the leg on 224 Willis Ave.