Today in Parliament BBC Radio 4

Alicia McCarthy reports on a proposed new law to tackle cat and dog theft, why noise is bad for your health and a peer's zookeeper ambition.

The defection of a Tory MP to Labour is described as a personal tragedy.

Sean Curran reports on Prime Minister's Questions. MPs demand answers about delays at passport e-gates and an early release scheme for prisoners in England and Wales.

Susan Hulme reports as the defence secretary answers MPs' questions about the hacking of an armed forces payroll system.

Alicia McCarthy discusses whether the system for getting rid of MPs behaving badly should be changed.

Sean Curran reports on postal deliveries, pylons and post-Brexit trade.