SUFFIELD, Alta. - Mounties say an alleged drunk driver was speeding with six children in a minivan on the Trans-Canada Highway in southeastern Alberta.

Redcliff RCMP stopped a minivan on the highway near Suffield around 7 p.m. Friday night after it was recorded going 149 kilometres per hour.

The officer talked to the driver and alleges he was impaired.

Police say the six children in the minivan were between the ages of eight months old to nine years old.

The RCMP also say one of the children was not restrained in the back of the minivan.

Charges of impaired driving, driving with a blood alcohol concentration over .08, and criminal negligence are pending against a 21-year-old man from Saskatchewan.