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Two pregnant women were among the victims

Six people were killed and 16 were injured, police say

CNN  — 

A car veered off course and plowed into the crowd at a rally in northwest Spain, killing six people.

Two pregnant women were among the victims of Saturday’s crash, CNN affiliate Atlas TV reported, citing police in A Coru?a, Spain. There were at least 16 people injured, including five children, police said. Six people are in serious condition.

The driver and co-pilot were not injured, police said.

Investigators stand beside a damaged rally car near the village of Carlal.

Police are investigating to determine what caused the crash, which happened Saturday evening after a car participating in the rally veered off the road into a crowd of spectators near the finish line, emergency officials said.

The Rally de A Coru?a is a part of the Galician Championship and draws thousands of fans to the streets every year, according to CNN partner Bleacher Report. The race was called off after the crash.

CNN’s Lauren Towers contributed to this report.