Nick Clegg acknowledged that new powers were needed by the law enforcement agencies to fight crime, but said they must take account of the committee's concerns.
That must be done in a proportionate way that gets the balance between security and liberty right.
Any modernisation of the powers, including possible new legislation, must meet the concerns of the joint committee by having the best possible safeguards and keeping costs under control.
More top news
Britain's youngest MP in 350 years said that the Commons still has a 'boys club atmosphere' which is 'alive and well'.
The National Lottery is upping the number of balls from 49 to 59, a move statisticians point out will make hitting the jackpot harder.
The Tory peer and former Marks & Spencer chief has been named as chairman of the 'In Campaign'.