In pictures: Quintinshill disaster remembered

The programme for the commemoration service in Gretna Credit: ITV Border
Soldiers and veterans March to crash site Credit: ITV Border
Troops, the First Minister and other politicians and dignitaries at the site of the Quintinshill disaster Credit: ITV Border
Crowds gather in Gretna Credit: ITV Border
Princess Anne arrives Credit: ITV Border
First Minister Nicola Sturgeon meets participants of the commemoration service Credit: ITV Border
A parade forms ahead of the start of the service Credit: ITV Border
Princess Anne lays wreath at the Royal Scots memorial to honour those killed in train crash Credit: ITV Border
Veterans gather to mark the centenary of the Quintinshill rail disaster Credit: ITV Border
Princess Anne meets some of those attending the service Credit: ITV Border
Credit: ITV Border
Credit: ITV Border
The service gets underway Credit: ITV Border