Environment

Thousands of people have taken to the streets of Romania in a protest against plans by US energy giant Chevron to drill for shale gas, Sunday.

"Hydraulic fractures never heal," the protesters claimed regarding the drilling method used to unlock shale gas, Balkans.com reported.

An Australian rescue ship has detected a new signal that could be linked to the missing Malaysia Airlines flight 370.

The Australian "Ocean Shield" vessel has picked up radar signals in the Indian Ocean at a depth of 4,500 meters, CNN revealed. The new lead comes two days after a Chinese rescue ship also came across a signal, some 600km southwest of the current location.

Bulgaria's northeastern city of Dobrich has started building the biggest skatepark in the country.

The project includes four lakes, a rock scene, a water cascade, a natural ice skating rink and recreational facilities.

Two foreign-flagged cargo vessels collided off the coast of the eastern Aegean island of Lesvos on Saturday.

There were no reports of injuries or damage.

A Chinese rescue ship has picked up a pulse signal in the southern Indian Ocean, which may be related to the missing Malaysia Airlines flight 370.

The signal has a frequency of 37.5kHz per second, which is the same as those emitted by flight recorders, the BBC reports. However, it is yet to be determined if there is a link to the missing airplane.

An earthquake of magnitude 5.6 on the Richter scale shook southern Greece on Friday night.

The quake was registered at 11:08 pm local time, with an epicenter 25km east of the island Hydra and 78km south of the capital Athens, the Athens Geodynamic Institute said. There are no initial reports of damages or injuries.

A moderate tremor rattled the island of Hydra in Greece's Saronic Gulf on Friday night.

The earthquake struck at 11.08 p.m. and was felt in Athens. Hydra is 85 kilometers southwest of the capital's main port, Piraeus.

The head of Greece’s industrialists sent a warning signal on Friday regarding the critical state of Greek industry, which he said will be further aggravated as long as the implementation of measures to reduce energy costs are delayed.

BELGRADE - Wreaths were laid on Friday to commemorate the death of Slobodan Trisic, a worker at the heating plant Novi Beograd, who was killed at the plant during the NATO bombing campaign in 1999.

Members of the family, official of the Belgrade provisional authorities Nikola Nikodijevic and managers and employees of the utility company Beogradske elektrane laid the wreaths.

Germany's concern Siemens is to provide the electrical systems and control and measurement apparatus for the offshore section of the South Stream.