Washington: The US is working with India to bring the perpetrators of the 2008 Mumbai terror attack to justice, a top official has said amid Pakistani-American terrorist David Headley's deposition before a Mumbai court.

"We are going to continue to work with India to make sure that those responsible are brought to justice," State Department Deputy Spokesman Mark Toner told reporters at his daily news briefing yesterday when asked about the video testimony of LeT operative Headley, a Mumbai-attack convict, before a court in Mumbai.