Sewing needles were found in at least five turkey sandwiches, according to the Associated Press.
Delta spokeswoman Kristin Baur said that the airline immediately stopped serving the sandwiches when the problem came to light, and messages were sent out to other flights from Amsterdam.
Passengers were reportedly served pizza instead and the airline is serving more pre-packed food until the situation is resolved.
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Row over apparent threat to security co-operation with the EU unless it agrees to a trade deal is a "misunderstanding", a minister has said.
The north and west of the country will see rain, while southern and eastern areas will get warm sunshine.
Ministers say the Great Repeal Bill will avoid a "black hole" in the UK's law when we leave the EU. Details are to be published on Thursday.