Delhi on High Alert

Indian security personnel stand guard outside the reception area of the Delhi High Court at the site of a bomb blast in New Delhi on September 7, 2011. A bomb blast ripped through a crowded reception area at the entrance to New Delhi's High Court in the morning, killing 9 people and injuring at least 50. Police said the bomb had apparently been placed in a suitcase near the reception where scores of petitioners were queuing for their entry passes to the court complex, situated in the centre of the Indian capital. (AFP/Prakash Singh)

Indian security personnel stand guard outside the reception area of the Delhi High Court at the site of a bomb blast in New Delhi on September 7, 2011.  (AFP/Prakash Singh)

The blast took place at around 10.15 am. Home secretary RK Singh told reporters the explosives were placed in a briefcase at the high court reception where hundreds of people come through every day to attend court cases.  (AFP/Prakash Singh)

Lawyers and bystanders wait behind gate number 5 as Indian police secure the scene of the blast outside High Court in New Delhi on September 7, 2011.  (AP/Kevin Frayer)

Indian medical attendants rush a wounded man to the trauma centre at RML Hospital in New Delhi on September 7, 2011, following a bomb blast at the Delhi High Court.  (AFP/Manan Vatsyayana)

Policemen guard the blast site outside the Delhi High Court. (PTI/Aman Sharma)

Policemen guard the blast site outside the Delhi High Court on September 7, 2011. (PTI/Aman Sharma)

Indian security personnel outside the Delhi High Court, the site of September 7, 2011, bomb blast.  (AFP/Prakash Singh)

An Indian policeman carries a wounded blast victim at RML Hospital in New Delhi on September 7, 2011, following a bomb blast at the Delhi High Court.  (AFP/Manan Vatsyayana)

National Security Guard (NSG) experts arrive at the reception area of the Delhi High Court after the blast on September 7, 2011.  (AFP/Prakash Singh)

Indian medical attendants look on as a wounded man is brought to the trauma centre at the RML Hospital in New Delhi on September 7, 2011. (AFP/Manan Vatsyayana)

Indian medical attendants wheel a wounded man to the emergency ward at the RML Hospital in New Delhi on September 7, 2011. (AFP/Manan Vatsyayana)

Indian police secure the scene of a blast outside the High Court in New Delhi on September 7, 2011.  (AP/Manish Swarup)

Indian security personnel stand guard outside the reception area of the Delhi High Court at the site of a bomb blast in New Delhi on September 7, 2011. (AFP)

No one has claimed responsibility for the attack. Television images showed scores of lawyers in black coats running from one of the main gates of the building.  (BCCL)

A man injured in bomb blast is brought to the RML hospital in New Delhi on September 7, 2011.  (AP)

A relative of one of a bomb blast victims reacts at the RML hospital in New Delhi. (AP)

"This appears to be a bomb explosion and it is at least a medium-intensity bomb... The site has been fully secured and Delhi has been put on high alert. Whatever precautions need to be taken are being taken," said home ministry official UK Bansal.  (BCCL)

The injured have been taken to AIIMS, RML and Safdarjung hospitals. The Delhi Police have cordoned off the area, not far from Parliament and the Prime Minister's Office. Fire tenders have been rushed to the spot.  (BCCL)

A high alert in the capital has been sounded and security tighten at public places.