Vale of Glamorgan MP Alun Cairns has said that the Argentine foreign minister compared Britain's control of the Falkland Islands to Israeli settlers in the West Bank.
Mr Cairns said he found the comparison, which was made during a meeting of the all-party group on Argentina, "offensive" and "pretty outrageous".
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Fans were eager to catch a glimpse of any baby bump.
The duke is to recognise the group’s ‘extraordinary contribution’ during a reception at Buckingham Palace.