Gary McKinnon's local MP says that the Home Secretary will have "blood on her hands" if she approves his extradition to the USA.
David Burrowes, the MP for Enfield South, has also threatened to resign from his position as a ministerial aide to the Environment Secretary if the extradition goes ahead.
Click here to watch a clip of him talking to ITV Daybreak.
More top news
The high of 35C was recorded on a Bakerloo line train between Piccadilly Circus and Oxford Circus at 2pm.
Weather forecasters say temperatures could reach 35C, beating the previous record of 34.6C in the scorching summer of 1976.
After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.