A leaked document claimed health officials were considering changing the response time for some seriously-ill patients from eight to 19 minutes in England.
A gunman told passers-by to "watch what I'm going to do" before shooting dead two New York police officers.
Chief of Detectives Robert Boyce said Ismaaiyl Brinsley spoke to people on the street just moments before murdering officers Rafael Ramos and Wenjian Liu in Brooklyn.
A 23-year-old man has been arrested on a charge of first-degree murder following the shooting of a police officer in Florida this morning.
Pinellas County Sheriff's Office said in a statement that a man named Marco Antonio Parilla Jr had been taken into custody after he was seen fleeing the shooting scene before crashing into a pole and another vehicle.
Police officer Charles Kondek, 45, died in hospital after being gunned down in Tarpon Springs at around 2am local time today.
A driver shouting "God is great" in Arabic has reportedly driven into a crowd of people in the eastern French city of Dijon leaving 11 people injured, two seriously.
Images posted on social media in the immediate aftermath appeared to show paramedics treating multiple casualties in the road.
A source told AFP news agency that the motives of the attacker remained "unclear".
The reported attack comes just a day after a man was shot dead after attacking three police officers with a knife in Joue-les-Tours.
Sir Elton John has said today has been "the perfect day" after getting married to long-term partner David Furnish.
The singing legend posted a picture, on Instagram, of some of the wedding cards he and his new husband had received along with the message: "The perfect end to the perfect day. So many kind thoughts and wishes."
Lulu has posted pictures from the wedding of her friends Sir Elton John and David Furnish on Instagram.
Posing with a series of celebrity guests the 60's singer can be seen having fun with not just the grooms themselves but also the Beckhams, Gary Barlow and Ed Sheeran.
The Chair of the College of Paramedics has said the idea of delaying ambulances and increasing patient wait times by a few minutes has "some merit" if it means patients get better treatment overall.
Andrew Newton told ITV News that the proposals that were leaked today could be beneficial "if it means that the triage process can actually find out what is wrong with the patient."
ITV News Reporter Lewis Vaughan Jones reports on the leaked proposals to lengthen ambulance waiting times: