Several military horses bolted during routine exercises near King Charles III's main residence in London on Wednesday and ran loose through the center of the city, injuring at least four people and colliding with vehicles during the morning rush hour.

Chaos erupted when about seven horses from the Household Cavalry became spooked by noise caused by nearby construction workers while the animals were taking exercise in Belgravia, a swanky neighborhood just to the west of Buckingham Palace, British media reported.

Doctors have transplanted a pig kidney into a New Jersey woman who was near death, part of a dramatic pair of surgeries that also stabilized her failing heart.

Lisa Pisano's combination of heart and kidney failure left her too sick to qualify for a traditional transplant, and out of options. Then doctors at NYU Langone Health devised a novel one-two punch: Implant a mechanical pump to keep her heart beating and days later transplant a kidney from a genetically modified pig.

Iranian President Ebrahim Raisi said his country has proven the West doesn't have a monopoly on technology while inaugurating a hydropower and irrigation project in Sri Lanka on Wednesday.

Raisi is the first Iranian leader to visit Sri Lanka since former President Mahmoud Ahmedinejad visited the country in 2008.

Arsenal earned its biggest win ever over Chelsea as Kai Havertz scored twice against his former team in a 5-0 rout on Tuesday that solidified the Gunners' place atop the Premier League standings.

Ben White also got a second-half double against a dismal Chelsea team that collapsed after the break and saw most of the away fans leave Emirates Stadium well before the final whistle.

The European Union announced on Wednesday an investigation into whether China is using unfair methods to deprive companies in Europe of access to its market for medical devices ranging from hypodermic needles to high-tech scanners.

The probe launched by the European Commission — the EU's executive branch as well as its trade and competition watchdog — is the latest attempt to help companies gain the kind of access to China's vast markets that Chinese firms enjoy in Europe.

Boeing said Wednesday that it lost $355 million on falling revenue in the first quarter, another sign of the crisis gripping the aircraft manufacturer as it faces increasing scrutiny over the safety of its planes and accusations of shoddy work from a growing number of whistleblowers.

Student protests over the war in Gaza have created a new and unpredictable challenge for President Joe Biden as he resists calls to cut off U.S. support for Israel while trying to hold together the coalition of voters he'll need for reelection.

The protests at Columbia University in New York and other campuses have captured global media attention and resurfaced questions about Biden's lagging support from young voters. His handling of the Middle East conflict is also being closely watched by both Jewish and Arab American voters in key swing states.

The head of the Arab League on Wednesday hailed the conclusion of an independent review of the neutrality of the U.N. relief agency for Palestinians.

Secretary-General Ahmed Aboul Gheit said the wide-ranging 48-page report by the independent panel showed that Israel’s allegations were baseless and part of a "systematic campaign” meant to end the mandate of the agency, known as UNRWA.

The Israeli military says its forces shot dead a Palestinian woman after she allegedly ran toward Israeli soldiers with a knife in the southern West Bank on Wednesday.

The military said it took place at Okfim junction near the Palestinian city of Hebron. No soldiers were injured.

A ship near the strategic Bab el-Mandeb Strait saw an explosion in the distance Wednesday, marking what may be a new attack by Yemen's Houthi rebels through the crucial waterway for international trade.

The explosion, reported by the British military's United Kingdom Maritime Trade Operations center, comes after a relative lull from the Houthis after they launched dozens of attacks on shipping in the region over Israel's ongoing war on Hamas in the Gaza Strip.