Greek Prime Minister Kyriakos Mitsotakis on Monday conferred with military chiefs after Turkey resumed oil and gas research near a Greek island, his office said.
A senior Greek minister added that navy ships were monitoring the Turkish seismic research ship Oruc Reis.
"We are in complete political and operational readiness," Minister of State George Gerapetritis said on state TV ERT.
"Most of the fleet is ready to be deployed wherever necessary," he said.
Belarus on Friday announced it had loaded fuel into its Russian-built nuclear power station as strongman Alexander Lukashenko prepares to contest a presidential poll on Sunday.
The country is launching its first ever nuclear plant to gain cheaper energy despite suffering severe radiation from the 1986 Chernobyl disaster and against strong opposition from neighbouring Lithuania.
German industrial conglomerate Siemens on Thursday reported a better-than-expected third-quarter profit, as the company proved broadly resilient to the impact of the coronavirus pandemic.
Net profit for the three months to June reached 539 million euros ($639 million), around half of the 1.1 billion euros in the same period of the previous year, but soundly beating expectations of 273 million euros predicted by analysts surveyed by FactSet.
Japan on Thursday marked 75 years since the world's first atomic bomb attack, which killed around 140,000 people in Hiroshima and left many more deeply traumatised and even stigmatised.
A second bomb was dropped on Nagasaki on August 9, 1945, killing another 74,000 people.
Here are some facts about the devastating attacks:
- The bombs -