Local train movement was affected in Sealdah-Canning South section of Eastern Railway for about an hour as Trinamool Congress supporters blocked tracks in protest against West Bengal minister Madan Mitra's arrest by CBI.
Railway sources said the TMC activists alleged the arrest was part of the greater conspiracy by the Centre against TMC government and sat on the UP, Down tracks at 10-30 am at Taldi station.
The blockade was lifted after 40 minutes.
One pair of Canning-Sealdah Local got delayed by less than an hour each as a result.


