There were tears in the public gallery as 17-year-old Cairo Parker's manslaughter verdict was read out as someone cried out, "He's only a baby!"
The judge Mr Justice John Griffith Williams lifted restrictions on naming Parker and said he would hear mitigation tomorrow afternoon before sentencing the defendants on Wednesday morning.
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Armed police have taken part in a dramatic training exercise aimed at recreating the chaos of a Paris-style terror attack.
After a remarkably mild November - a notable mild start to the new month.
The Facebook founder revealed the plan as he and wife Priscilla Chan announced the birth of their baby daughter, Max.