Witnesses are sought after a man was assaulted and robbed as he walked along Grimsby Road at around midnight on April 25.
The 23-year-old Cleethorpes man was walking home when two men allegedly threatened and assaulted him, making threats to harm him before stealing his keys during the incident.
The victim sustained minor facial and back injuries.
Police are appealing for witnesses to the incident and for help in identifying two men who are described as follows:
The first man is white, about 6ft 2ins tall, in his mid 40s, very skinny with a grey, stubbly beard, grey shaved head and wearing a bright blue hooded top with two white stripes down the sleeves and light grey bottoms.
The second man is white, about 6ft 5ins tall, skinny build, wearing a black hooded top, black woolly hat with a peak, light grey bottoms and black shoes.
Anyone with information should contact the non-emergency number 101, quoting log 544 of April 25 2015 or call Crimestoppers anonymously on 0800 555 111.