The sister of a man killed in a road collision after an argument with a van driver broke down in tears as she appealed for information regarding her brother's death.

Nigel Yue Bun Li was rowing with a male white Ford Transit driver, 37, when he ended up on the A19 in North Tyneside on January 3.

Li's sister, Rachel, appeared with his fiancee, Kirsty Dane, who said she had been left with 'so many unanswered questions' as Northumbria Police attempt to piece together what happened.

Li, worked as a fibreglass finisher and was driving to work in his silver Volkswagen Golf, ended up on the main carriageway where he was hit by a black Volkswagen. Emergency services were called but he died at the scene.

Rachel Li broke down in tears as she expressed her grief following the death of her brother

Nigel's sister Rachel (left) and his fiancee Kirsty Dane (right) have appealed for witnesses following the incident

Motorist Nigel Yue Bun Li, 32, pictured with his sister Rachel Li was due to marry his girlfriend in Orlando

The van driver has been arrested on suspicion of manslaughter and released under investigation.

Ms Dane, 30, who was set to marry Nigel this September in Orlando, Florida, said he always did everything 'with a smile'.

She said: 'He's the happiest person you'll ever meet. 'He's always jovial, making jokes, everything was always for someone else.

'I can't help but smile when I talk about him but he's just that kind of person that does nothing but make you smile and laugh and he would never ever ever let us do any different.'

She added: 'He was just a really kind, funny, hard working person.

Nigel Yue Bun Li, 32, from Ponteland, who died after a collision on the A19 Southbound in North Tyneside. Pictured with his fiancee Kirsty Dane

Police are trying to work out what happened when Mr Li stepped out into the A19

'Everyone who met him has only good things to say about him. If you knew him you would just put that imprint in your mind of what he was like.

'At the moment we have got so many unanswered questions. We don't feel we can 100 percent grieve because we don't quite know what's happened to him.'

Mr Li met Ms Dane at Gateshead College, although the pair only started dating a few years later.

They lived together in Ponteland, Newcastle and started dating five years. They were due to tie the knot on this year on September 5 in Orlando, Florida.

Mr Li was the youngest of four children and the only boy. His sisters Yammie, 41, Amy, 38, and Rachel, 33, are said to be 'devastated' by his death.

Prior to moving to the more affluent Ponteland, he had lived in Fenham, Newcastle.

His sister Rachel added: 'Just please come forward with any information that they hold, even if they think it is not important, please please come forward.'

He swam competitively and was considered for the Hong Kong Commonwealth Games team in 2006.

His family and friends have left tributes to him online, calling him a 'funny' and 'loving' man.

Nigel Yue Bun Li, 32, is believed to have been in a row with another driver. One man has been arrested

Detective Inspector Dave English, from Northumbria Police, said: 'This is a very tragic incident and our thoughts are with Mr Li's family who are being supported by specialist officers during this difficult time.

'We are currently trying to establish exactly what has happened and I would urge anyone who has any information or dashcam footage of either the males in the lay-by or the accident to come forward.

'Sometimes the smallest detail can be of the greatest importance so even if it is something minor, it may be able to help officers.'