ISLAMABAD: The Foreign Office sent a memo on Thursday to Karachi-based foreign diplomats from various countries and advised them to be vigilant and cautious in view of the security situation in the metropolis.

The memo has been sent to consulate generals and representatives of several countries who are based in Karachi, requesting them to restrict movement and avoid unnecessary travel in Karachi.

The Foreign Office sent the memo after consulting with the interior ministry and law enforcement agencies. The internal report of FO quoted to have said that foreign ministry and the law enforcement agencies may come under attack of the terrorist groups.

FO sources told Dawn.com that the memo has been shared with police personnel and security agencies in Karachi in the event that unforeseen incidents occur.

The diplomats have also been advised to stay in contact with the city police regarding their movement in certain areas so that adequate security can be provided to them.

In 2011, a Saudi diplomat was killed in a hail of bullets on his way to the country's consulate in Karachi the second attack on Saudi interests in Pakistan's biggest city in less than a week.

Earlier, the Interior Ministry had also issued a warning to provincial governments of possible attacks on US consulates in Karachi over the anger regarding an anti-Islam film, which has led to protests around the world.