Pakistan security forces laid siege to suspected militant hideout
Pakistani police and security officials stand outside the house after completing the operation against militants in the outskirts of Lahore, on July 17, 2014.Getty Images

Pakistan Intelligence services on Thursday arrested Maulvi Ishaq, the alleged terrorist mastermind behind the Raiwind terrorist attack on the house of Prime Minister Nawaz Sharif last week, reported Geo TV.

Several items were recovered from Ishaq's hiding place, including pictures and letters from other alleged terrorists as well as weapons.

Ishaq was planning attacks on prominent figures during the upcoming Eid al-Fitr in July, reported Aaj TV.

Ishaq, from Okara District in Pakistan, is also reported to have been training boys from the age of 16 to further his terrorist agenda, Aaj TV reported.

He has been moved to an undisclosed location for further interrogation.