Two little boys dead in the living room in a pool of blood, their mother dead in the hall and the man of the family dead in the bedroom found by the police who entered an apartment on the Upper West Side, after being called by relatives of the family.

The 41-year-old father had stabbed his two children to deathaged 1 and 3, had cut his wife’s throat and then killed himself with a knife in the apartment’s bedroom.

According to the New York Post, the family lived on the 4th floor of a residential building, where the 41-year-old worked as a caretaker.

Friends, neighbors and relatives of the family became concerned when the couple showed no signs of life and on Monday they passed by the house. As no one answered, they picked the lock and opened the doorfacing the horrible sight, with the dead 40-year-old woman in the hall and the corpses of the small children in the living room, while there was blood everywhere.

The relatives called the police who arrived at the scene of the family tragedy and cordoned off the area.

As for the causes of crimeremain unknown.

However, the father had no criminal record and no previous history of police calls to the family’s apartment for domestic violence.