Aug. 18 (UPI) -- A 44-year-old man was arrested Thursday in the London stabbing death of 87-year-old Thomas O'Halloran. Police said he is in custody on suspicion of murder. O'Halloran was stabbed Tuesday in west London.

Researchers may have found a new way to help ease the pain of knee replacement surgery: infusing morphine directly into the shin bone.

Aug. 18 (UPI) -- Students in the U.K. saw their grades drop this year, the first time in three years students have taken exams because of the COVID-19 pandemic.

Aug. 18 (UPI) -- Washington State University announced its corpse flower, a plant nicknamed after its signature stench, bloomed for the first time on the school's Vancouver campus.

Aug. 18 (UPI) -- Authorities in Italy hit two tourists with heavy fines for surfing along the famed Grand Canal in Venice, a stunt that upset the city's mayor.

U.S. health officials are investigating an outbreak of E. coli that has infected 29 people in Michigan and Ohio.

Aug. 18 (UPI) -- The Department of Health and Human Services is planning to extend the COVID-19 Public Health Emergency, the agency said on Thursday.

Aug. 18 (UPI) -- A petition calling on Google to give abortion-related health benefits to its contractors and to protect user privacy has been signed by more than 650 employees, its union said.

Aug. 18 (UPI) -- An animal control officer in Pittsburgh responded to a report of an injured bird and arrived to find a first for his 11-year career: a blue heron.

Aug. 18 (UPI) -- In early Thursday morning raids, Israeli soldiers shut down the offices of several Palestinian civil society advocacy groups that the Israeli government has labeled as terrorists -- an allegation the groups deny.