Twenty-year-old “Simone” fled Honduras after his two brothers were murdered. He now stays at a shelter in Tijuana with his wife and 18-month-old child. Photograph: Stephen Starr

On an empty, poorly lit street north of downtown Tijuana, a small group of people stand outside the high, galvanised entrance to the Youth Movement 20(...)

 Central American migrants  run along the Tijuana River near the El Chaparral border crossing in Tijuana  near US-Mexico border after the US border patrol threw tear gas into the group. Photograph: Guillermo Arias/ AFP/Getty Images

Mexico pledged to shore up security near its border with the United States after a peaceful march devolved into chaos when US agents fired tear gas in(...)