A double murder of this nature is extraordinarily rare. It is even more unusual for such a brutal crime to take place in a packed shopping area with so many witnesses.
Those people were shocked to the core and were literally queuing up to talk to officers, tell us what they saw and generally get our major investigation off to a good start. These people made a commitment to help the investigation which they saw through to the end when they gave evidence in court.
More top news
After a fine evening with some late sunshine to the end the day, a largely dry and fairly warm night will follow with clear spells.
Any remaining showers will fade, to leave it dry overnight.
There are reports that 15 people have been injured in a bus crash in France. The coach was taking a school group to Italy.