Hizbullah is suing the estranged brother of the country's Prime Minister-designate Saad Hariri after he accused the group of being responsible for the massive explosion at Beirut's port earlier this year, a TV station reported Wednesday.

Hizbullah's Al-Manar TV gave no further details about the case filed against Bahaa Hariri, the son of late Prime Minister Rafik Hariri and estranged brother of Saad Hariri.

U.K. regulators said Wednesday that people who have a "significant history'' of allergic reactions shouldn't receive the new Pfizer-BioNTech vaccine while they investigate two adverse reactions that occurred on the first day of the country's mass vaccination program.

Professor Stephen Powis, national medical director for the National Health Service in England, said health authorities were acting on a recommendation from the Medical and Healthcare Products Regulatory Agency.

Iranian President Hassan Rouhani said Tuesday his country will continue to support Syria, urging Damascus to confront Israel in the occupied Golan Heights.

Rouhani's website said the remarks came during a meeting with visiting Syrian Foreign Minister Faisal Mekdad.

President Donald Trump aims to take credit Tuesday for the speedy development of forthcoming coronavirus vaccines, even as his administration is coming under scrutiny for failing to lock in a chance to buy millions of additional doses of one of the leading contenders.

That decision could delay the delivery of a second batch of doses until manufacturer Pfizer fulfills other international contracts.

As the Pentagon pulls troops out of the Middle East in the coming weeks, under orders from President Donald Trump, U.S. military leaders are working to find other ways to deter potential attacks by Iran and its proxies, and to counter arguments that America is abandoning the region.

A senior U.S. military official with knowledge of the region said Monday that Iran may try to take advantage of America's troop withdrawals from Iraq and Afghanistan, and the planned departure of the aircraft carrier USS Nimitz from the Persian Gulf.

British health authorities rolled out the first doses of a widely tested and independently reviewed COVID-19 vaccine Tuesday, starting a global immunization program that is expected to gain momentum as more serums win approval.

The first shot was given to Margaret Keenan, who turns 91 next week, at University Hospital Coventry, one of several hospitals around the country that are handling the initial phase of the program on what has been dubbed "V-Day."

Venezuelan President Nicolás Maduro's political alliance claimed a sweeping victory Monday in congressional elections boycotted by the most influential opposition politicians and widely criticized internationally as being fraudulent.

The win gives Maduro control of the last major branch of government outside his grasp. It plays out in the waning days of the Trump administration, which leaves office with Maduro firmly entrenched despite its efforts to bring about his departure through diplomacy and sanctions.

A Chinese probe was orbiting the moon on Monday in preparation for the returning of samples of the lunar surface to Earth for the first time in almost 45 years.

The ascent module of the Chang'e 5 spacecraft transferred a container with 2 kilograms (4.4 pounds) of samples after docking with the robot spacecraft on Sunday and was afterward cut free.

Israeli authorities have cleared police of any wrongdoing in the case of a 9-year-old boy who lost an eye after apparently being shot in the face by an Israeli officer earlier this year.

Malik Eissa was struck by what appeared to be a sponge-tipped munition last February and lost vision in his left eye, and his family says he hasn't returned to school because of recurring medical treatments and the embarrassment of being disfigured and reliant on a prosthetic eye.

The Israeli government on Thursday urged its citizens to avoid travel to the Gulf states of the United Arab Emirates and Bahrain, citing threats of Iranian attacks.

The travel advisory comes as Iran is threatening to attack Israeli targets following the assassination of its top nuclear scientist last Friday.