Sofia - The row between Russia and Ukraine over natural gas deliveries hit the Balkans hard Tuesday, with Bulgaria and Croatia reporting a total supply stoppage and Romania a two-thirds drop.

The Bulgarian supplier Bulgargaz said delivery was terminated at Ukraine's border with Romania in the early morning, which also affected the transit of gas to Turkey, Greece and Macedonia.

The Bulgarian government was in an emergency session to discuss the crisis, as supplies may last only a few days.

London, Jan 6 : English singer/songwriter Lily Allen has reignited the feud she had with US singer Katy Perry by threatening to post the `I Kissed A Girl' singer's mobile number on the web.

The two have been at each other's throat ever since Perry called Allen fat, and now the `Smile' singer, who called Perry `crass', has threatened to post her number on the net should she make any more comments.

"I have Katy Perry's number, someone did me a favour," the Sun quoted Allen as having written on her Facebook page.

"I'm just waiting for her to open her mouth one more time then it hits Facebook," she had added.

London, Jan 6 : Pop princess Britney Spears has gone back to preparing for

London, Jan 6 : Brit singer Cheryl Cole may be very busy these days with her role as an X Factor judge and also with her band Girls Aloud's gigs, yet she has still found time to pose for the front cover of Vogue.

Cheryl, 25, will appear on the February cover of the magazine, in which she talks about her marriage to 28-year-old Chelsea footballer Ashley Cole.

According to her, Cole is a "nice guy" despite his "horrendous" infidelity with a hairdresser.

"Look Ashley''s young and he''s got a young mentality for his age," the Daily Express quoted her as saying.

Paris - French Interior Minister Michele Alliot-Marie on Tuesday described as "stupid and revolting" an apparently anti-Semitic attack in which a car was sent hurtling against the gates of a synagogue in the city of Toulouse and then set on fire.

Alliot-Marie told RMC radio that the perpetrators would be found quickly but she refused to say that the attack was related to the ongoing conflict in Gaza.

France has Europe's largest Muslim and Jewish communities, and strife between Palestinians and Israel has in the past provoked a wave of anti-Semitic attacks.

London, Jan 6 : Scientists at the National Ignition Facility in Livermore, US, are preparing to fire the most powerful laser in history at a tiny target on the ground, in order to understand what conditions are like at the centre of the Earth.

According to a report in the Telegraph, the laser, which is as powerful as 10 billion lightbulbs, would alter the composition of the soil sample, making it represent the conditions at the core of the planet.