Firefighters are battling a blaze north of Christchurch that has spread from a hedge to a shed. Video credit. Jack Shewell | Chris Lynch

Two firefighters suffered injuries after falling through a floor while battling a fire at a building under construction in San Francisco's Marina District. According to San Francisco Fire Department Chief Dean Crispen, as crews were battling the fire at a building on the 2500 block of Chestnut Street around 4:15 a.m., two firefighters who were on the third floor were injured when they fell through holes in the floor. Crispen said the firefighters were in "stable condition" and that the fire had