The offender attacked his 69-year-old victim from behind at some garages near Portland Street before he fled the scene along Hermit Street.
The attacker is described as looking around 30-years-old, 5ft-6in tall, thin and wearing a dark jacket with light tracksuit bottoms.
A 69-year-old man who was robbed in Lincoln on Friday night has sadly died in hospital.
The man, who is yet to be named, was attacked near Portland Street at around 5.30pm, when he was approached from behind and had his wallet stolen.
He was taken to Lincoln County Hospital for treatment, where he later died.
A post-mortem examination has been carried out but further tests are needed to determine the exact cause of death.
The World Egg Throwing Championship takes place in Lincoln today.
The event includes throwing and catching eggs, static relays, target throwing and Russian egg roulette.
The parents of a boy from Lincoln who lost his battle against cancer are doing a triathlon in his memory this weekend.
Ethan Maull was treated at Nottingham Children's Hospital.
He had already raised more than £100,000 before he passed away last month.
Detectives investigating the death of Chinese student Mingzi Yang want to speak to a cyclist wearing a blue helmet, seen in the Sincil Bank area of Lincoln - where her body was found a week ago today.
They are treating the death of Miss Yang, who was 29 and the mother of a young son, as murder.
Miss Yang came to the UK in 2008 from China and had been living in Sincil Bank since 2012. She studied at Lincoln College. Her immediate family in China are said to be "distraught".
Police officers will be in Sincil Bank today carrying out further enquiries and trying to jog people’s memories.
A 33-year-old man has been charged with murder.
Students in Lincoln will be presented with awards today to recognise their completion of an RAF programme set up in memory of a Red Arrows pilot from Warwickshire who died during a display three years ago.
The Blue Skies Programme charity was set up in memory of Flt. Lt. Jon Egging from Ufton, who lost his life in August 2011 at the Bournemouth Air Festival.
The charity aims to realise his dream of helping young people overcome adversity, identify their strengths and work towards their ambitions.
Twenty five students aged 13 to 15 from the Priory Witham Academy have been mentored through the nine session programme by trained personnel from RAF Coningsby, RAF Cranwell, RAF Scampton, RAF Wittering, RAF Waddington and MoD North Luffenham.
Work on the new railway footbridge in Lincoln's Brayford Wharf East is expected to get underway in September.
Following months of delays Network Rail say they are ready to begin work on the new bridge over the crossing.
A statue to Richard III, which was first unveiled by Princess Alice in 1980, is being moved to be restored 34 years later.
It will be lifted by crane onto a lorry and taken from Castle Gardens in Leicester to Lincoln. The restoration process is expected to take around 3 to 4 weeks.
Parking charges are to go up at hospitals in Lincoln, Grantham and Boston for the first time in five years.
United Lincolnshire Hospitals NHS Trust's board voted on the price rises - which will take effect from 1 June.
A daily £1.50 charge will be implemented for Blue Badge holders at Lincoln County, Boston Pilgrim and Grantham District hospitals - it is not known when this will begin.
Prices will go up from £1.20 to £1.40 for a one-hour stay, from £3 to £3.40 for up to four hours and from £3.50 to £4 for up to six hours.
The trust says it has financial challenges to meet and the cost of providing car parks increases year on year.
Despite the pouring rain in Lincoln this morning, hundreds of people turned out to see airmen and women from RAF Waddington exercise their freedom of the city.
More than seventy servicemen and women marched through the streets - for their first freedom parade in four years.
Michael Billington was there: