Tareq Abu Khdeir, speaking via a representative from the US consulate in Jerusalem who was allowed to visit him in the police station, sent a message to his parents: "I am holding up OK."
The fifteen year old, who is an American citizen and attends high school in Florida, is alleged to have been badly beaten by Israeli security forces during violent clashes in East Jerusalem on Thursday.
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Humberside Police rebutted a newspaper's critical article, saying its officers had worked 'long, hard hours during the event'.
It comes as households already face a triple-whammy from airfares, fuel and electricity prices.
The business secretary called the move a 'positive step forward' after the US-imposed tariff sparked fears over jobs in Northern Ireland.