倫敦恐襲發生後的頭幾天，在街上時我也會在腦海演練一下假若突然有人揮刀劈過來的時候到底要怎樣閃避。。。
如果突然有人走近，我會有點緊張，趕快跑開
這個警員很勇敢，看來有點創傷後遺症。。。
"All I was trying to do was keep people alive."
This police officer single-handedly tried to stop the London Bridge attackers, armed with just a baton.
bbc.in/2s2KLJl