A lockdown at a West Midlands prison is now over.
Specially-trained staff and dogs had been carrying out a search at the category C prison at Featherstone, in Staffordshire.
The prison, near Wolverhampton, went into full lockdown after information was received that a handgun had been smuggled inside.
A team of sniffer dogs and investigating officers found no evidence of firearms.
HMP Featherstone houses inmates who are serving sentences ranging from three years to life.