BOSTON (CBS) – New pictures have been released of the man Boston Police are looking for in a fatal stabbing.

One image shows the man about to get on the 23 bus near School and Washington streets in Dorchester.

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Person of interest during Roxbury stabbing. (Photo from BPD)

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A second image shows him during the stabbing incident on Warren Street in Roxbury.

Rashad Lesley-Barnes was killed in the August 15th stabbing.

Barnes and another man were fighting on the bus and the dispute continued when they got off on Warren Street.

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If you recognize the man in the pictures, call Boston Police.