British police said on Tuesday they were dealing with a security incident at London's St Thomas' Hospital, with the nearby Westminster Bridge leading to parliament closed to traffic.
Police said they would provide more information when known.
Witnesses reported on social media that there were armed police present and that the hospital was not allowing people to enter or leave.
There was no immediate comment from the hospital.
Saudi Arabia shuts key oil pipeline after drone attack
Saudi Arabia shut its East-West oil pipeline on Friday after it was hit in a drone attack, disrupting a key route used to bypass shipping problems in the Strait of Hormuz.
BRICS members agree joint declaration at New Delhi summit
BRICS members agreed on a joint declaration on Saturday, expected to condemn unilateral aggression by any country without naming individual states, according to sources cited by Reuters.
Death toll in Philippine ferry fire rises to 76 as rescuers recover more remains
Philippine rescuers recovered 41 more charred remains from a ferry fire, authorities said on Saturday, raising the death toll to 76 and leaving 13 people unaccounted for, as forensic teams faced the daunting task of identifying the victims.
Russian attacks kill six, injure dozens in Ukraine, Moscow says it hits ships, plants
Russian air strikes in several Ukrainian regions on Saturday killed six people, injured dozens and damaged residential buildings and infrastructure across the country, officials said.
Explosion hits another weapons site in Bulgaria
Bulgaria is investigating the cause of a fire at a weapons storage facility operated by EMCO, including the possibility of sabotage and a link to a previous blaze at another of the company's facilities in August, the interior minister said.
The UAE has strongly condemned the drone attack on Saudi Arabia's East-West oil pipeline in the Riyadh and Medina regions.
His Highness Sheikh Khaled bin Mohamed bin Zayed Al Nahyan, Crown Prince of Abu Dhabi, met Dr Masoud Pezeshkian, President of Iran, on the sidelines of the 18th BRICS Summit in New Delhi, India.
The United Arab Emirates expressed its solidarity with the Democratic Republic of the Congo following a fire at two schools in the city of Bukavu, which resulted in dozens of deaths and injuries.
