flows

Or does global conflict and economic desperation make their continuing flow inevitable, with ebbs and flows in the numbers?

But NRW said moving fish during extreme low flows and high temperatures can "cause more harm than good" if they are added into already stressed river systems.

They could be used not only to track suspected criminals or terrorists but also to manage migration flows, monitor and suppress protests, and enforce public health measures.

He added that the environmental watchdog would be keeping a close eye on weather forecasts, river flows and groundwater levels as we head into autumn.

This is significant because it could lower the government's borrowing costs and improve foreign investment flows into the country.