MPs’ expenses watchdog investigates claims against minister

Paul Maynard is accused of using his taxpayer-funded constituency office for Tory campaigning

The parliamentary watchdog has launched an investigation into allegations that the pensions minister, Paul Maynard, used his taxpayer-funded constituency office as a Conservative campaign office.

The investigation by the Independent Parliamentary Standards Authority (Ipsa), which oversees expenses, follows reports that Maynard charged taxpayers when producing political materials.