British Ambassador to Lebanon Tom Fletcher denied on Wednesday that blacklisting Hizbullah is a justification for Israeli action in the country.

“Blacklisting Hizbullah's military wing is not a justification for Israeli action in Lebanon, but it meant to deter the party's action in Europe,” Fletcher tweeted shortly after the party chief's speech on Wednesday.

British Prime Minister David Cameron said on Sunday that the Syrian conflict was "on the wrong trajectory", admitting the Assad regime may be getting stronger, and urged more help for opposition forces.

"It's very depressing picture and it's a picture that is, I think, on the wrong trajectory," Cameron said in an interview with the BBC.

Britain is to give Syrian opposition fighters equipment to protect them against chemical weapons attacks "as a matter of special urgency", Foreign Secretary William Hague said on Tuesday.

The British government will supply "moderate" opposition fighters with 5,000 protective hoods, as well as pre-treatment tablets and chemical weapons detector paper to be used in a sarin gas attack.

A total of 50 serving and veteran British soldiers committed suicide last year, more than were killed fighting the Taliban in Afghanistan, according to figures reported on Sunday.

The Ministry of Defense confirmed that seven serving soldiers killed themselves in 2012 and a further 14 died in suspected suicides, although inquests have not yet been held.

Investigators were on Saturday searching for the cause of the fire onboard a 787 Dreamliner parked at London's Heathrow airport, which raises further questions about the safety of Boeing's next-generation jet.

A team from Britain's Air Accident Investigation Board (AAIB) was deployed following the blaze on Friday afternoon on the Ethiopian Airlines plane, which was fortunately empty at the time.

The European Union and Britain have strongly condemned the bombing that hit the Beirut southern suburb of Bir al-Abed.

“I condemn today’s explosion in southern Beirut. My thoughts are with those injured in the attack and their families,” British Foreign Secretary William Hague said.

Egypt's army had no choice but to overthrow Islamist president Mohamed Morsi, former British prime minister Tony Blair said on Sunday.

Writing in the Observer newspaper, Blair, who acts as Middle East envoy for the United States, Russia, the EU and the U.N., said the army's only alternative would have been to let Egypt descend into chaos.

Prime Minister David Cameron spoke of his delight on Sunday after Britain finally succeeded in deporting the radical Islamist cleric Abu Qatada to Jordan after a decade-long legal saga.

"I was absolutely delighted. This is something this government said it would get done, and we have got it done," Cameron told reporters.

Britain said on Wednesday it wanted to see radical Islamist cleric Abu Qatada on a plane "at the earliest opportunity", after Jordan said he would finally be deported this weekend.

A spokeswoman for the Home Office said she could not comment directly on operational security matters, but said: "Our focus is on seeing Abu Qatada on a plane to Jordan at the earliest opportunity."

British Prime Minister David Cameron arrived in Pakistan on Saturday for talks with President Asif Ali Zardari focusing on the Afghan peace process, officials said.

Cameron made an unannounced visit to Afghanistan earlier in the day, backing talks with the Taliban after his top general said the West missed a chance to strike a peace deal 10 years ago.