The families of three Londoners jailed in Dubai on drug charges are now awaiting the outcome of today's talks between David Cameron and the country's president.
The Prime Minister has promised to raise their case at their Downing Street meeting.
The men say they were tortured by police - a claim denied by the authorities in Dubai.
Ronke Phillips reports.
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In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The terror attack carried out by Khalid Masood at Westminster that left four people dead lasted less than two minutes say police.
Two knives were found at the scene in Islington, North London, and the suspects fled on foot before being arrested.