New Delhi, May 5 -- Pakistan has banned the use of its ports by Indian flag carriers, hours after New Delhi imposed fresh punitive measures, including a ban on import of goods and entry of Pakistani ships into its ports, against Islamabad.

India on Saturday imposed a ban on the import of goods coming from or transiting through Pakistan and also the entry of Pakistani ships into its ports even as Prime Minister Narendra Modi said the country is committed to take "firm and decisive" action against terrorists and their backers.

Pakistan late Saturday ordered that any Indian flag carriers will not be allowed to visit any Pakistani port and also barred Pakistani ships from docking at any Indian port, a Pakistani newspaper, the Dawn, reported....