Cape Town, Aug 9 (ANI): The plea agreement of a man who has admitted to killing Brit-Indian bride Anni Dewani will strengthen the case against her husband and a co-accused, South Africa's prosecution authority has said.

We are very happy and satisfied with the agreement because the agreement gives us new information on what happened on that night when Anni Dewani was killed, Western Cape National Prosecuting Authority (NPA) spokesperson Eric Ntabazalila said.

It confirms that [her husband] Shrien Dewani was part of the plan... it also tells us Xolile Mngeni was the one who did the shooting, he added.

Yesterday Mziwamadoda Qwabe, one of two men accused of being the hired killers, was jailed for 25 years, after he agreed to a plea bargain that requires him to cooperate with the prosecution.

News24 quoted Ntabazalila, as saying that the agreement was a positive step towards ensuring justice for the slain bride, her family and friends.

Dewani, 28, was shot in an apparent car hijacking while on honeymoon with her husband Shrien in Cape Town in November 2010.

According to the report, the plea agreement offered insight into the apparent sequence of events that fateful night and implicated Shrien Dewani as the conspirator of a contract killing. (ANI)