At least 30 passengers were injured after several coaches of a train derailed near Lahore, officials said on Saturday.

According to the Pakistan Railways, the Islamabad Express that was going to Rawalpindi from Lahore derailed at Kala Shah Kaku, Sheikhupura, some 50 km from Lahore, on Friday evening.

"At least 10 coaches of the train have been derailed in Sheikhupura, leaving about 30 passengers injured. Three of them are critical," the railways said in a statement late on Friday night.