Police have released CCTV which was taken shortly before a shop worker killed his boss.
The footage shows an innocent shop-worker going to investigate after hearing a noise from upstairs.
The CCTV then shows the defendant running out of the shop after him.
Thilak Mohan-Raj was found guilty of murdering Vairamuthu Thiyagarajah after he was caught stealing the takings from a convenience store in Bedford.
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A seventh person has been arrested after the murder of a17-year-old in Northampton.
It will be damp and breezy with rain on and off through the day.
Mainly light rain arriving later in the night. On Saturday, mainly cloudy with periods of rain and some bright intervals.