Turkey's foreign minister Ahmet Davutoglu has said "significant progress" has been made in apprehending those responsible for yesterday's deadly car bombings in the border town of Reyhanli.
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A man, woman and a baby were rescued after the building set alight.
The duke was presented with the trunks by Australian presenter and Paralympian Dylan Allcott.
The Duchess of Sussex did not attend an Invictus event on Sunday.