Expressing concern over the bomb blast outside the Delhi High Court, DMK chief M Karunanidhi today said that India's capital should not remain unprotected.
India's capital should not remain unprotected the former Tamil Nadu Chief Minister said, recalling an attack had taken place on Parliament itself in December 2001.
"It is painful to hear and read such incidents happening in Delhi," Karunanidhi told reporters, reacting to the blast, which has left nine dead and at least 50 injured.
'''A scene from the blast site after this incident'''It is in the second time in four months that a blast occurred outside the Delhi High Court complex. An explosion on May 25 triggered panic prompting the authorities to sound a high alert in the capital and tighten security at public places, however no one was injured in that blast.
Twelve people were reported killed and 62 people injured in a terrorist attack outside gate number 5 of , in India's capital New Delhi at around 10:15am (4:45 am GMT) on Wednesday.

According to home secretary RK Singh, the explosives were hidden in a briefcase placed in the reception of the high court. At that moment hundreds of people were present on the site to get passes to attend court cases. Islamic fundamentalist organization  claimed the responsibility for these blasts. In an email sent to the media, the group demanded immediate repeal of the the death penalty given to , a terrorist involved in the attack on the . They also warned that they could target other high courts and the .

Victims injured in the attack have been taken to , , and . As the accident site is not far from the  and the Prime Minister's Office, the  have cordoned off the area.

Politicians including the Indian Prime Minister Manmohan Singh, senior  leader , former  ,  leader , and BJP president  have condemned the attacks, as have numerous celebrities on Twitter.

"My heart goes out to the bereaved families and to those who are injured I convey my best wishes," Manmohan Singh said in a statement to the Indian journalists accompanying him on his two-day Bangladesh visit.