A man was fatally stabbed in northwest Houston on Sunday, police said.

According to the Houston Police Department, they responded to the stabbing in the 5600 block of Antoine Drive around noon.

Upon arrival, police found a man stabbed to death in the neck on the second floor balcony in front of his apartment door. Detectives said his wife and son were inside the apartment at the time.

At this time, a motive isn't known. There also isn't a witness.

If you know any information about the stabbing, contact HPD Homicide at 713-308-3600 or Crime Stoppers at 713-222-8477.