Derbyshire Police have confirmed they launched an investigation into allegations of further offences committed by Mick Philpott.
Philpott and his wife Mairead were jailed in April after being convicted of the manslaughter of their six children. Jade, 10, and her brothers John, nine, Jack, eight, Jesse, six, Jayden, five, and Duwayne, 13, died following a fatal house fire at their Derbyshire home.
More top news
The retailer blamed a plunge in its share price on the actions of former MP Iain Wright.
Professor Sir Brian Jarman told BBC Radio 4's Today programme "it's likely" that similar events to Gosport have occurred in other hospitals.
Tory Eurosceptic Jacob Rees-Mogg played down the significance of the deal struck by the Government to win over pro-EU rebels.