Elaine Tappin is talking to MPs about the extradition of her husband, Christopher Tappin, to the US, accused of exporting electric batteries to Iran.
At times visibly emotional, she is describing the impact of the process on her family.
More top news
MI5 face mounting pressure over claims the IS executioner 'Jihadi John', named yesterday as a London graduate, was known to them
Labour leader Ed Miliband is due to set out his party's plans on how it would cut tuition fees.
New drug driving laws are to come into effect next week, including laws on some prescribed medications.