Meta has signed a deal with American energy company Constellation Energy to help keep a nuclear power plant in Illinois running for the next two decades - marking the company’s first direct partnership with a nuclear facility.

The Rooppur nuclear power plant is likely to be delayed further if the recent revision of one of the associated projects is any indication.

Earthquake with preliminary magnitude of 5.6 shakes Tokyo and surrounding areas, but no tsunami warning was issued, the Japan Meteorological Agency says.