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12 February 2015, 11:55 | Updated: 12 February 2015, 11:57
The Mayor of London, Boris Johnson, has told Heart the rules on when unions can call strike action need to change.
Tube drivers on London Underground have voted to walk out over the sacking of a colleague who Transport for London says failed two random breath tests.
Mr Johnson has said: "This is absolutely mad. 1,025 members balloted. Only 299 people voted for this. 221 actually voted no.
"And we're having a strike because a guy failed two random breath tests. It is bonkers, it it potty, it is nuts.
"We should not tolerate it in a great city like London."
Mr Johnson has also told Heart radiation detectors could be installed in London to protect the capital from bomb attacks.
Boris says he's inspired by the 'extraordinary stuff' that protects New York, where he's currently visiting.
He has told Heart the technology, along with the introduced of enchanced CCTV, could have helped to catch those responsible for the death of Alexander Litvinenko.
The former Russian Spy was poisoned with radioactive polonium 2-10 at a hotel in Mayfair in 2006.