Vincent Yu / AP Hundreds of mothers protest against the amendments to the extradition law in Hong Kong on Friday, June 14, 2019. Calm appeared to have returned to Hong Kong after days of protests by students and human rights activists opposed to a bill that would allow suspects to be tried in mainland Chinese courts. Associated Press Friday, June 14, 2019 | 11:40 p.m. HONG KONG — Pressure on Hong Kong’s Chief Executive Carrie Lam was mounting Saturday, with signs emerging that she may delay an unpopular extradition bill that has drawn hundreds of thousands of people into the streets in protest. Lam was expected to hold a news conference at 3 p.m. (0700 GMT), the government said in an announcement. It gave no details about what she planned to say. Another mass protest was expected on Sunday, after clashes that turned violent on Wednesday, leaving about 80 people injured including 22 police officers. The standoff between police and protesters in the former British colony is Hong Kong’s most severe political crisis since the Communist Party-ruled mainland took control in 1997 with a promise not to interfere with the city’s civil liberties and courts. Lam, chosen by Beijing to be…