this is bbc news. i m lucy hocking in tokyo on day 15 of the olympics. the headlines at 10.003m: the first gold of the day for team gb goes to goes to galal yafai, beating carlo paalam from the philippines in the flyweight boxing. success in the pool, with tom daley taking the bronze in the 10m platform diving his second medal of the games. china s cao yuan took the gold. i m ben mundy, back in london, with the day s other main news. the united states and britain urge their remaining citizens in afghanistan to leave immediately because of the worsening security situation. we are extremely concerned about the safety and security