People should be deterred from being involved in criminal gang activities but those involved in so-called "joint enterprise" crimes should be sentenced for the crime they are guilty of, Sir Alan Beith has said.
The Justice Committee, chaired by the MP, has called for a review of the legislation, which currently contains a rule that in a joint enterprise murder, it is not possible to charge "minor" players with a lesser offence such as manslaughter.
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It is the first such incident between the two countries.
The Met Office said there is around a 30% chance the all-time weather record of 38.5C could be broken.
Producers said they had stopped production and were focusing on the incident.