Indian police officers guard the scene of a bomb blast outside Delhi's High Court on September 7, 2011
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India High Court bomb: eyewitness

Eleven people have been killed and over sixty injured in a bomb blast at the High Court in the Indian capital, Delhi.

The explosion happened at 10:27 local time (04:47 GMT) on Wednesday.

Officials have released photos of two suspects.

Rahul Gupta was among those caught up in the blast.

"I was not able to hear for two minutes - it was such a big noise," he told BBC World Service.