The station's security team logged a call with West Yorkshire Police saying they had found a suspicious package earlier today and the force are now assisting with the evacuation.
A West Yorkshire Police spokesperson said: "Security at the Interchange advised an evacuation should take place after a suspicious package was found.
"We are currently assisting with that."
It is thought buses and trains in and out of the station will be affected until later this afternoon.
More as we have it.