Small knives that do not lock and hockey sticks are to be allowed on US planes for the first time since the September 11 attacks.
The US Transportation Security Administration (TSA) said it will allow knives and other previously restricted items like golf clubs and bats to be taken onboard.
This is part of an overall Risk-Based Security approach, which allows Transportation Security Officers to better focus their efforts on finding higher threat items such as explosives.
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She told reporters: "I don't think it's fully sunk in how really bad that could have been, I know it's not the right decision."
Jonathan Theobald said: "The weather can change quickly and a car can become lethal, I've discovered that the hard way."
Political parties across the country suspended their General Election campaigns following the Manchester Arena terror attack on Monday.