The European Union has warned Turkey about drilling off the coast of EU-member Cyprus as several leaders voiced support for sanctions against Turkish companies.

As tension escalates in the Mediterranean, the EU-27 at the Sibiu Summit in Romania on the bloc’s post-Brexit future, discussed the matter.

"Today, (Cypriot) President (Nicos) Anastasiades informed the (EU's) leaders about the Turkish drilling activities within the exclusive economic zone of Cyprus,” said European Council President...