Labour has overwhelmingly held the seat of Middlesbrough with Andy McDonald elected the constituency's new MP with 10,201 votes.
The by-election was called following the death of Sir Stuart Bell.
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After a sweltering day, where temperatures reached a record high for July, the weather turned.
One of Britain's leading tour operators, Thomas Cook, has joined a growing push for changes to the way tourists receive security warnings.
Thunderstorms affect mostly southeast England on Thursday with a mixture of sunny spells and showers into the afternoon.