trawling

She says many of the children spend hours trawling Russian social media channels, desperately searching for information about their family members.

The officers spend much of their days trawling through the millions of digitised documents which will make up much of the evidence in the cases.

Even if enough countries sign there are concerns from environmentalists, including Sir David Attenborough, that there is nothing explicit in the Treaty to ban bottom trawling in these MPAs.

The announcement comes as a UN Ocean Conference begins on Monday in France, and amid warnings from Sir David Attenborough that bottom trawling is destroying areas of the seabed and marine life.

The documentary draws attention to the potential damage from some fishing practices, like bottom trawling, for marine life and the ability of the ocean to lock up planet-warming carbon.