Eve Smith, 21, Darcy Ross, 21, and Rafel Jeanne, 24, died after their car crashed into woodland, and they lay undiscovered for two days.
The pair are told they will face no further action and "should undertake reflective practice".
A group of five people were reported missing before being found in a crashed car two days later.
Border Force intercepted 327kg of cannabis with a street value of £11m.
Georgie Tannetta is jailed for 22 years after stabbing James Brogan to death.
A jury found Georgie Tannetta guilty of murdering James Brogan.
A 61-year-old remains in hospital in a critical condition, police say.
A woman suffered a leg injury after the brick was thrown at a moving bus, an eye-witness says.
Father-of-three James Brogan was found seriously hurt in St Mellons, Cardiff, last month.