TWO armed robberies at East Riding post offices have gone unsolved.
Detectives have closed the investigation into a robbery at a post office in Hornsea, during which staff were tied up and threatened at gunpoint.
Police said a large amount of money was taken during the robbery, which happened at the counter inside the Premier store in Cliff Road in January.
Three people who were arrested in February have now been told no action will be taken against them.
A man who was arrested on suspicion of a second armed robbery, at the post office in Bilton, has also been released without charge. It happened weeks after the robbery in Hornsea.
Police say the investigation into that offence is ongoing.
Speaking about the robbery in Hornsea, a Humberside Police spokesman said: "No one has been charged in relation to the incident.
"The people previously arrested and on police bail have been unconditionally released.
"Following a thorough investigation, the case has been closed, pending any new information coming to light."
During the robbery in Hornsea, a member of staff was tied up in an outside store, while the postmaster had a sawn-off shotgun held to the back of his head.
Police investigating the attack released CCTV footage of the robbers inside the store on January 27.
A 54-year-old man, an 18-year-old man and a 53-year-old woman, all of Hornsea, were arrested following the appeal.
Councillor Barbara Jefferson, who represents the area for East Riding Council, is urging the police to continue their investigations.
"Everybody was dismayed and upset when they heard about the armed robbery," she said.
"I was just shocked anything like that would happen in Hornsea.
"I thought it had been a long time since anything had happened in the case, but I'm surprised the police say the case is closed unless anything new comes to light.
"This will be a concern to people. Everybody wants to see an end to this one and I hope the police continue to look at the case on behalf of residents to allay people's fears. They need to continue looking for information."
Just weeks later, on February 17, two robbers used a sledgehammer to smash a screen protecting the postmistress at the counter of the Bilton post office.
Police said the pair escaped from the store in Main Road with a small amount of cash, leaving the postmistress terrified.
They fled in a car that had been stolen from Kingswood, which was later found abandoned in nearby street Ark Royal.
Detectives said there were no links between the two attacks.
An e-fit image was later released of one of the suspects. Following that appeal, a man was arrested.
A Humberside Police spokesman said: "A 33-year-old man was arrested and bailed. He has now had his bail cancelled and has been released in connection with the inquiry.
"Inquiries are ongoing."
A Post Office spokeswoman said: "The people who run our Post Office branches provide important services to local communities.
"Any robbery or attempted robbery is very traumatic for the victims.
"Post Office would urge anyone with information to contact the police immediately."
Anyone with information about the Bilton robbery should call police on 101.
