The British woman whose husband was killed when their boat was targeted by attackers in the Caribbean had written a blog post about a delay to the couple's travels hours before the incident.
Margaret Pratt, who was celebrating her 60th birthday during the round-the-world sailing trip, wrote about how she and her husband Roger had been held up leaving the island of St Lucia by immigration checks.
More top news
The Royal Fleet Auxiliary ship RFA Argus has been recognised for providing aviation and medical support over 33 years of service.
Buckingham Palace, London's Tower Bridge, Old Trafford and Big Ben are taking part in the event to raise awareness about climate change.
Widespread frost for most areas as temperatures dip below freezing.