Hayley Amos, a senior neonatal staff nurse at Stafford at the time, told the hearing she reported for duty on the 7am shift, after the drug was administered.

BBC: Stafford Hospital nurse accused over twins morphine error

The court heard Giff met Ms Ramsden on other occasions, including one December 2011 shift when he was on duty outside Downing Street but on a legitimate break from his 12-hour shift.

BBC: Diplomatic protection officer jailed for sex on duty

At 03:00 BST on 8 April, Donovan passed a sobriety test, which involved an officer smelling his breath, when he woke up for his guard duty, despite having been drinking before his shift.

BBC: Able Seaman Ryan Samuel Donovan

In a letter to Steven Newman, CEO of Transocean, Rahall said records from the rig indicate 18 people at work on the second shift with "zero engineers, electricians, mechanics or subsea supervisors" on duty the night of the explosion.

CNN: Rig survivors: BP ordered shortcut on day of blast

Ostensibly, a shift towards a gross profits tax relieves the operators of having to apply for Amusement Machine Licence Duty licences and having to account for VAT on their takings.

FORBES: When Journalists Meet Numbers: Not a Pretty Sight