A maniac stabbed a sleeping subway rider in the head at least three times during Monday’s morning commute — sparking a brawl that splattered blood across the train, cops and sources said.
The 56-year-old victim was snoozing on board a southbound No. 1 train passing through the 145th Street station in Harlem around 6:10 a.m. when a 20-year-old brute randomly knifed him at least three times in the head, cops and sources said.
15-year-old illegal migrant arrested for Long Island murder: cops
Officers from Transit District 3 — housed inside the station — stepped in when they noticed a commotion toward the back of the train, the sources said…