Helium balloons are causing hundreds of train delays every year which cost taxpayers around £1 million, Network Rail has warned.
The number of passengers claiming refunds for delayed ScotRail trains has risen sharply in the last nine months, according to Scottish Labour.
More ScotRail services have been cancelled today due to a shortage in staff.
ScotRail is in the “last-chance saloon” over its performance, Nicola Sturgeon has said.
Justice Secretary Humza Yousaf has faced calls to permanently rule out plans to merge Police Scotland and the British Transport Police north of the border.