DANBURY, Conn. (WTNH) — Two people have died after a man stabbed a woman and then himself on Friday morning in Danbury, police said.

A Danbury police officer reported hearing an argument near High Ridge Road and Scuppo Road at 12:10 a.m., police said.

According to police, the officer found a man, later identified as 28-year-old Santos Infante Manazillo, standing over a woman on High Ridge Road with a survival-type knife in his hand.

Investigators determined Infante-Manzanillo stabbed the victim multiple times, before he turned the knife on himself. Infante-Manzanillo then stabbed himself in the chest and fell to the ground, police said.

Additional officers and emergency medical services responded to the scene and transported both people to the Danbury Hospital for treatment.

According to police, both the man and woman were later pronounced dead at the Danbury Hospital.

An investigation determined that the man and woman were in a relationship and lived together on High Ridge Road, police said.

Investigators said while they cannot be certain as to what led to the event, it appeared Infante-Manzanillo and the victim were breaking up.