Man shot multiple times in his car knocks on stranger's door for help in SW Houston

HOUSTON, Texas (KTRK) -- Authorities are investigating after a strange knock on the door overnight had a neighbor calling for help in southwest Houston.

Police say this happened around 9 p.m. Thursday when a man was shot multiple times while inside a car on Sign Street near Nickel in Fort Bend County.

According to police, the man stumbled out of the vehicle and went down the street to get help from a neighbor.

Police have no idea at this time as to who shot him and why.

The victim, described as a black male in his 20s was transported to a hospital, where he is currently in critical condition.

Police are not sure if the victim lives in the neighborhood.