RIO DE JANEIRO -- At least 11 people from the same family died and four others were injured after a serious traffic accident occurred late Sunday in the northeastern Brazilian state of Bahia, local authorities said Monday.

The accident occurred in the municipality of Ruy Barbosa, after a van carrying 16 people from the same family crashed into a truck traveling in the opposite direction for unknown reasons.

Ney Dias, mayor of Ruy Barbosa said in a radio interview that the fatal victims were three minors and eight adults.

The family was returning from the town of Boa Vista do Tupim where they had spent the weekend.