Channel Islands Air Search's chief officer says the conditions in the water "are pretty horrendous".
The PM rules out blocking a no-deal Brexit - but Jeremy Corbyn accuses of her having a "closed mind".
Travellers are grappling with delays to flights and trains, as freezing conditions hit much of the UK.
The retailer promised to remove palm oil from all of its own brand products by the end of 2018.
Children are turning their backs on sugary drinks but all age groups eat too few vegetables, a survey suggests.