The shadow Brexit secretary said it was “not for me to say” whether the Jeremy Corbyn ally would take a seat at the cabinet table should the party form the next government.
Grilled on Sky News, the politician said it was up to his party leader to decide on his Cabinet to pick a Home Secretary despite being pushed several times on the issue.
Presenter Sarah-Jane Mee roasted Sir Keir over Ms Abbott’s performances in recent interviews.
She said: “Will Diane Abbott still be Home Secretary? Because voters will want to know this as they head to the polls.
Sir Keir Starmer refused to say if he thought Diane Abbott would be Home Secretary
If Labour win it will be for Jeremy Corbyn as Prime Minister to pick his cabinet
Sir Keir Starmer
“In recent weeks she hasn’t known the numbers that have come under her remit as shadow home secretary, the other day talking to Dermot Murnaghan she clearly hadn’t read a report into terror and security.
“And this is someone who, come Friday, may be the Home Secretary in charge of voters’ security by the weekend.”
The Labour politician insisted it was up to Mr Corbyn to decide.
He replied: “Obviously if Labour win it will be for Jeremy Corbyn as Prime Minister to pick his cabinet just as it will be for Theresa May if she wins to pick her cabinet.
Diane Abbott's most controversial quotes Fri, April 7, 2017
Outspoken Shadow Home Secretary, Diane Abbott holds strong opinions which does not always go down well.
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Abortion is an issue of conscience for the Labour party.
Diane Abbott has come under fire for recent interviews
“And it’s not in my gift to say who will be doing what but I think the most important thing is as a shadow cabinet we’ve acted as a team in taking strategic decisions.
“I would hope that would continue and there would be a team looking at all of the issues in the round, including counter-terrorism and I would hope that having considerable experience myself as director of parliament prosecutions I would be called upon to contribute to the team effort.”
Mee pushed again for an answer on Ms Abbott remaining as Home Secretary.
“You know it’s a question I can’t answer because it’s for any Prime Minister on Friday,” replied Sir Keir. “It’s not for me to say and I think you know that.”