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.
More top news
The mother of one of the Manchester attack victims has told of the distressing moment she found her daughter being treated after the attack.
Marjorie and Michael Cawdery, both 83, are understood to have been stabbed to death in a killing their family called "incomprehensible".
Detectives have launched a murder investigation following the shooting in Brent, north west London on Friday night.