The 2009 Lahore bombing was a bomb attack which took place on 27 May 2009 and killed at least 35 people and injured 250. During the attack gunmen fired on guards then destroyed the emergency response building at the city's police headquarters. Offices used by the Inter-Services Intelligence

Inter-Services Intelligence

The Directorate for Inter-Services Intelligence , is Pakistan's premier intelligence agency, responsible for providing critical national security intelligence assessment to the Government of Pakistan...

 (ISI) agency nearby also suffered damage.

Pakistani accounts from the time of the attack say the three attackers who died in the attack were unidentified.
Two of the attackers emerged from the Toyota van used in the attack, and fired on security officials. The driver was not able to breach the boundary of security pylons, before he detonated the bomb.
Some eyewitnesses claimed additional terrorists provided covering fire.

Attribution

Authorities immediately blamed Taliban for this attack. Taliban later took the responsibility for the attack, calling it a retaliatory step for Pakistan's military operations against Taliban in the Swat valley. The caller Hakimullah Mehsud

Hakimullah Mehsud

Hakimullah Mehsud , born c. 1979 as Jamshed Mehsud and also known as Zulfiqar Mehsud , is the amir of Tehrik-i-Taliban Pakistan...

, deputy to Baitullah Mehsud

Baitullah Mehsud

Baitullah Mehsud was a leading militant in Waziristan, Pakistan, and the leader of the Tehrik-i-Taliban Pakistan . He formed the TTP from an alliance of about five militant groups in December 2007. He is thought by U.S...

, threatened of more attacks on government facilities in Lahore

Lahore

Lahore is the capital of the Pakistani province of Punjab and the second largest city in the country. With a rich and fabulous history dating back to over a thousand years ago, Lahore is no doubt Pakistan's cultural capital. One of the most densely populated cities in the world, Lahore remains a...

, Rawalpindi

Rawalpindi

Rawalpindi , locally known as Pindi, is a city in the Pothohar region of Pakistan near Pakistan's capital city of Islamabad, in the province of Punjab. Rawalpindi is the fourth largest city in Pakistan after Karachi, Lahore and Faisalabad...

, Islamabad

Islamabad

Islamabad is the capital of Pakistan and the tenth largest city in the country. Located within the Islamabad Capital Territory , the population of the city has grown from 100,000 in 1951 to 1.7 million in 2011...

 and Multan

Multan

Multan , is a city in the Punjab Province of Pakistan and capital of Multan District. It is located in the southern part of the province on the east bank of the Chenab River, more or less in the geographic centre of the country and about from Islamabad, from Lahore and from Karachi...

, asking people to leave those cities. Another group, Tekreek-e-Taliban Punjab, also claimed credit for the attack.

In the fall a jihadist

Mujahideen

Mujahideen are Muslims who struggle in the path of God. The word is from the same Arabic triliteral as jihad .Mujahideen is also transliterated from Arabic as mujahedin, mujahedeen, mudžahedin, mudžahidin, mujahidīn, mujaheddīn and more.-Origin of the concept:The beginnings of Jihad are traced...

 named Ali Jaleel

Ali Jaleel

Ali Jaleel was a citizen of the Maldive Islands who is reported to have died as a suicide bomber.He is reported to have attacked the Inter-Service Intelligence Directorate headquarters in Lahore, Pakistan on May 27, 2009....

, from the Maldive Islands was identified as one of the bombers.
His martyrdom video was broadcast on youtube

YouTube

YouTube is a video-sharing website, created by three former PayPal employees in February 2005, on which users can upload, view and share videos....

.