He said he has given his account À̹ÌÅ×À̼Ç=À̹ÌÅ×ÀÌ¼Ç of the "terrible day" in an effort to urge people to unite against terrorism and raise money for the victims' families.
He said he was "eternally grateful" to everyone ¸íǰst=¸íǰst who came to help, and thanked the emergency services.
Addressing the public, he said he ·¹Çø®Ä«½Ã°è»çÀÌÆ®=·¹Çø®Ä«½Ã°è»çÀÌÆ® hoped "the part I played in these terrible events can be used for good".
Among those who were ´ä·Ê¶±=´ä·Êǰ ´ä·Ê¶± Çà»ç¶± ±îÄ¡¶± first to tackle the knifeman was a porter known only as Lukasz. He was armed with another makeshift weapon - a pole - and was stabbed five times as he confronted Khan alongside Mr Frost.