Director of Public Prosecutions (DPP) Keir Starmer has said that he will devise new guidelines on social media cases to aid prosecutors in future if charges should be brought.
Starmer's plans follow the news that a Welsh Premier League footballer who posted an abusive tweet about Olympic diver Tom Daley will not face charges.
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Drivers in Scotland will be banned from smoking in cars where children are present from this week.
Motorists who cause death by speeding, street racing or while on a mobile phone are among those who could be handed tougher punishments.
Cubans have lined the streets since Thursday as the ashes of the Communist leader were driven on a 600-mile journey across the island.