The two cases happened in the early hours Cambridge Road and Burnaby Road.
Hampshire Man Dies In M3 Crash
Police are investigating the death of a man following a collision on the M3 between junction eight and Winchester services.
Officers were called out at 10.13pm, Saturday, December 14 to a report of a collision involving two vehicles on the southbound carriageway.
A man aged in his 50s from Gosport was pronounced dead at the scene. He had been driving a Vauxhall that was involved in a collision with a second Vauxhall car, which did not stop at the scene.
A 44-year-old, who is believed to be the driver of the second Vauxhall, was arrested on the M3 near Basingstoke at 11.30pm on Saturday night on suspicion of causing death by dangerous driving. He remains in police custody for questioning.
Next-of-kin have been informed but police won't be able to name the deceased man in the media until all formal identification procedures are completed.
Part of the M3 between junctions eight and nine southbound was closed during the initial police response and investigation.
Witnesses or anyone with information are asked to contact the Road Death Investigation Team at Eastleigh Police Station by phoning 101 and quoting Operation Cardamom. Mini-com users can phone 18001 101.
Information can be given anonymously by phoning the independent Crimestoppers charity on 0800 555 111.
Lewis Hine - who has a brain tumour - posted an inspirational film about his life, on his 16th birthday last week.
One of the men's targets was Ernest Jones in Portsmouth, taking £57,000 worth of watches.
Detectives Searching For Dash Cam Footage Around Gilpin Close.
Recently Played Tracks
Now playing: Non-stop hit music
Deposit £10 to get a £40 Welcome Bonus - That's £50 to play bingo, slots and more!*
Over 50 tracks to make you feel-good. New album out now...
Find your local four day weather report here.
What's happening on the roads where you are?
Make Heart the soundtrack to your day and you could be a winner with great prizes up for grabs throughout the day.
Find out more about some of the companies advertising on Heart.
Get some great ideas on how to advertise your business on radio, online and on mobile.