Delegates at Unison's annual health conference in Brighton have called for national action to drive forward the zero tolerance campaign against violence in the NHS.

The union is campaigning for harsher penalties for those found guilty of assaulting NHS workers.

Delegates at Unison's annual health conference in Brighton have called for national action to drive forward the zero tolerance campaign against violence in the NHS.

The union is campaigning for harsher penalties for those found guilty of assaulting NHS workers.