Shahidul Ahmed, 41, was given a life sentence with a minimum term of 17 years at Luton Crown Court for the murder of 19-year-old Rachel Manning, whose boyfriend Barri White was wrongly convicted of the killing.
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Julian Cadman, who is thought to have dual British-Australian nationality, became separated from his mother who was injured in the attack.
Wayne Rooney and his wife Coleen are expecting their fourth child, the couple have announced.
As the silence came to an end the crowd began to applaud and people shouted "I am not afraid!" in defiance of the attacks.