* UN Secretary-General Antonio Guterres on Friday called on the world's leading mayors to take urgent climate action. * More than 187.36 million doses of COVID-19 vaccines had been administered across China as of Friday, the National Health Commission said Saturday. * The Russian Foreign Ministry on Friday announced a series of retaliatory measures, including expulsions of diplomats and entry bans, in response to the recent "hostile actions" of the United States. Russia will ask 10 US diplomats and five Polish ones to leave the country, the ministry said in a statement. * US President Joe Biden and visiting Japanese Prime Minister Yoshihide Suga on Friday voiced commitment to further strengthening the two countries' alliance to address regional and global challenges. * The Philippines' Department of Health (DOH) reported on Saturday 11,101 new COVID-19 infections, bringing the total cases in the Southeast Asian country to 926,052. The death toll climbed to 15,810 after 72 more patients died from the viral disease, the DOH said. * India registered 234,692 new COVID-19 cases, the third consecutive day that the country reported over 200,000 new cases, taking the total tally to 14,526,609, said the data released by the federal health ministry on Saturday. Besides, as many as 1,341 people died since Friday morning, as the total death toll rose to 175,649. * Thailand registered 1,547 new COVID-19 cases in the last 24 hours, raising the total number in the country to 40,585, the Center for the COVID-19 Situation Administration (CCSA) said Saturday. * The Philippines' gross international reserves (GIR) level settled at US$104.82 billion as of end of March, compared to US$105.16 billion a month earlier, according to data from the Philippine central bank. * The Republic of Korea reported 658 more cases of COVID-19 as of midnight Friday compared to 24 hours ago, raising the total number of infections to 113,444. The daily caseload was down from 673 in the …