Islamabad, Aug 10 - Pakistan's security forces have foiled a plan to attack Parliament House and the headquarters of the country's spy agency and have arrested 36 terrorists, it was announced here Monday.

Briefing the Senate Standing Committee on the Interior in Parliament House, Interior Minister Rehman Malik said Islamabad Police and intelligence agencies in a joint action had foiled the terror attempts.

Eight suicide jackets had been recovered from the arrested terrorists, Online news agency quoted Malik as saying.

Speaking on the enhanced security measures in the country, he said a deal to get scanners from China had been completed and these would be installed in all main cities within six months to thoroughly check all vehicles.

Mobile scanners would be installed in smaller cities.

Speaking about operations against the Taliban in the North West Frontier Province (NWFP), the minister said the Pakistan Army conducted these in record time in Swat and two other districts of the Malakand division and made possible the repatriation of internally displaced people to their respective areas.