Push back at sea is a tactic allowed in certain circumstances. It’s something Australia, for example, has already used. However, it does require the other side to cooperate – something France has so far refused to do. As soon as the boats leave French waters – which the UK authorities cannot enter without France’s consent – and enter the UK’s, they are subject to the protection of UK law, says Prof Andrew Serdy, a maritime law expert.
Sep 2021. The Migrant Crisis at the Channel
