Both appeared on Wednesday April 19 charged with murder and possession of a pointed or bladed article.
They will next appear at the same court on July 5.
The 16-year-old was arrested on Thursday, April 13 and the 17-year-old was arrested on Friday, April 14, before.
The incident happened on Tuesday April 11.
Three 19-year-old men and an 18-year-old man who were initially arrested on suspicion of attempted murder and later arrested on suspicion of murder have been released under investigation.
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