A couple and their two children were killed in a blaze that raged through their commercial building in Bangkok's Din Daeng district early Thursday.
The blaze also injured four others.
The fire broke out at the building on Soi Prachasongkroh 2 at about 4:30 am.
Fire fighters spent over an hour to control the blaze.
The slain victims were identified as Surasak Chatmongkol, 36, Tiew Chatmongkol, Panida Chatmongkol, 7, and Pongthep Chatmongkol, 3.