Former Tory Party treasurer Lord McAlpine was not at London's High Court to hear solicitors for the BBC and ITV offer unreserved apologies for the damage and distress caused by the mis-reporting.
His lawyers confirmed that the agreements involved the payment of £185,000 damages by the BBC and £125,000 from ITV, together with very substantial costs.
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Michael Fallon has received reassurances from his US counterpart that security ties with Britain will "endure" following a vote for Brexit.
On Friday, police said it appeared the girl had shot herself in the face with the weapon.
The showers will be slow-moving, heavy and thundery at times, particularly in central and eastern areas.