LYNN — A 15-year-old accused of fatally stabbing a second teenager inside a convenience store here Tuesday was ordered held without bail.
Iram Allen Jr. was charged with murder as an adult in Lynn District Court, where a not guilty plea was entered on his behalf.
The victim was identified as Daniel Marquez Santeliz, 17, of Lynn, according to a spokesperson for the Essex district attorney’s office.
Prosecutors did not disclose details of the stabbing in court and the police report was impounded. Allen is due back in court on Sept. 20.
A 17-year-old is being charged as a juvenile with possession of a dangerous weapon in connection with the case, according to Essex District Attorney Paul F. Tucker’s office. Officials initially had said Allen was 17 as well.
Allen’s sister, after overhearing reporters discussing the spelling of her brother’s first name, told them “it doesn’t matter what his first name is. Stop talking about my brother.”
She then ran off crying.
Authorities said Santeliz was stabbed at Alpha Convenience Store at 1 Freeman Square around 6 p.m. Tuesday. Santeliz was taken to Salem Hospital, where he died. The crime remains under investigation by the district attorney’s office and Lynn police detectives.
The store owner, Maksudur Khan, said Wednesday that his business was still closed for cleaning.
“There was blood everywhere,” Khan said.
He said the stabbing unfolded as two groups of youths began fighting inside the store with no obvious provocation.
“There was no conversation,” Khan said. “They just started fighting.”
A grand jury will determine whether Allen will face a first- or second-degree murder charge in Essex Superior Court when the panel issues its indictment, officials said.
Adults convicted of first-degree murder in Massachusetts face an automatic sentence of life without the possibility of parole. Juveniles convicted of first-degree murder in adult court are eligible to seek parole, typically after serving decades in prison.
Globe correspondent Marie Elena Little Endara contributed to this report.
Travis Andersen can be reached at travis.andersen@globe.com. Talia Lissauer can be reached at talia.lissauer@globe.com. Follow her on Instgram @_ttphotos.