An inmate at a high-security jail attempted to murder a prison officer in a “frenzied” stabbing attack using a pointed metal bar, a court has heard.

David Bieber was returning from the library when he used the “home-made” weapon to attack Alison Smith, who was left bleeding from wounds to her face and right arm, a jury at Worcester Crown Court was told.

Bieber denies attempted murder and an alternative charge of wounding.

The 56-year-old has also pleaded not guilty to unauthorised possession of an offensive weapon at Long Lartin Prison in Worcestershire on the same date.

Prosecutor Simon Phillips showed the weapon to the jury saying: “It consists of two long pieces of metal pointed at one end and taped together.

“It became bent, probably during the course of the struggle.”

Mr Phillips said the inmate was being returned to a wing by Ms Smith when they approached a locked gate in a corridor.

The prosecutor told the court: “The defendant then pulls out a weapon and begins to attack Alison Smith.

“He grabbed her by the neck from behind, he pulled her backwards, at the same time thrusting the weapon towards her head and neck.

“Luckily for her, instinctively, she put up her right arm to deflect the blows.

“It’s clear the weapon came into contact with her arm, as well as hitting her in the face.

“It’s probably accurately described as a frenzied attack.”

The court heard that other officers quickly came to Ms Smith’s aid after she screamed, restraining Bieber and disarming him.

She was later treated in hospital for cuts to her mouth and chin and four wounds to her right arm.

Following the incident, the court heard, a handwritten note was found in Bieber’s cell listing three names, including that of Ms Smith.

The defendant later told police his memory of events was hazy.

Jurors were told that the defence’s position in the case is that Bieber was making a “cry for help” to bring a complaint about medication to the attention of the authorities at the jail.

The trial continues.