The head of public health in Glasgow has urged Coca-Cola not to give children sugary drinks when its Christmas truck arrives in the city.

Dr Linda de Caestecker challenged the US firm to "take responsibility" and offer water instead.

The Coca-Cola truck will visit Glasgow later this month as part of its UK tour.

"There is a lot of excitement for children when the Coca-Cola festive truck visits towns up and down the country," Dr de Caestecker said.

"The truck is visiting two venues in Glasgow and I am asking them to help us provide a healthy start for young children by only offering sugar-free drinks or water.

"We are asking Coca-Cola to stop promoting sugary drinks and only distribute sugar-free drinks and water to the general public, in particular to children."

The latest figures show almost one in five children are overweight when they start primary school and almost one in three by the time they leave.

Dr de Caestecker, director of public health at NHS Greater Glasgow and Clyde, added: "We ask that Coca-Cola takes responsibility as an influential brand and support customers to make healthier choices."