The directive was issued as intelligence agencies feared there could be terrorist attacks in Punjab as a result of a recent surge in US drone attacks.
Pakistani intelligence has directed law enforcement agencies to step up security across Punjab province to avert possible attacks by militants in retaliation of increased US drone strikes in Waziristan tribal belt.
The directive was issued as intelligence agencies feared there could be terrorist attacks in Punjab, the country's most populous province, as a result of a recent surge in US drone attacks in South and North Waziristan tribal regions, Geo News quoted unnamed sources as saying.
At least four Arab and Uzbek terrorists have been sent to Punjab to carry out attacks and trigger riots and panic in the province, the channel said, citing the sources.
Punjab's home department has directed law enforcement agencies, including police and paramilitary Pakistan Rangers, to make foolproof security arrangements to thwart any possible attack.
The home department also fears that the terrorists might target oil depots and key bridges in the province.
Law enforcement agencies were alerted that the terrorists might use explosive devices made with fertilisers, oil and ball bearings or explosives-laden cycles and cars for their attacks. Security for bridges across Punjab has been intensified by deploying additional police and Pakistan Rangers contingents.
US drones have carried out 11 strikes in Waziristan this month, killing dozens of militants.
Security officials have claimed that Tehrik-e-Taliban Pakistan chief Hakimullah Mehsud had a narrow escape during one of these strikes.
Punjab witnessed several audacious attacks by the Taliban last year, including suicide car bombings on offices of the ISI in Multan and provincial capital Lahore.
Scores were killed in these attacks.
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