LOS ANGELES, Jan 13 — Firefighters raced to contain the frontiers of two Los Angeles wildfires that burned for the sixth straight day on Sunday, taking advantage of a brief respite in hazardous conditions before high winds were expected to fan the flames anew.

ANKARA, March 17 — Air quality improved in most regions of the world last year due to global measures to slow the spread of the novel coronavirus, Anadolu Agency quoted a report released Tuesday.