Pakistan army seized control of the national telecoms firm after trade unions called a strike against the company’s privatization this week, Military officials said security forces had taken technical control of sensitive installations of the PTCL in all cities while police and paramilitary Rangers were posted to check on the law and order situation. “We have sent our experts from the Corps of Signals on the request of the PTCL authorities to take control of all important installations,” said military spokesman Colonel Idrees Malik.Witnesses said troops arriving in machine-gun fitted vehicles took control of telephone exchanges and vital installations in major cities of the populous Punjab province. “We have asked the staff to perform their duties as usual,” an army officer said.