Children in Tokyo might be enjoying themselves, but this unusually late snowfall has caught the Japanese capital off guard.<br/> <br />Flurries up to two centimetres thick in downtown and about double that in western parts of the city wreaked havoc with the transport system.<br/> <br />Some trains were delayed up to 90 minutes, stranding thousands of commuters, while much of the highway system and many bridges were shut down.<br/> <br />(SOUNDBITE) (Japanese) UNIDENTIFIED TOKYO RESIDENT TAKAMITSU SAITO, SAYING:<br/> <br />"It's incredible. We don't normally get this amount of snow in Tokyo. It's a bit scary actually."<br/> <br />A Japanese broadcaster reported that by lunchtime, more than 100 people had been injured from slipping on wet snow or ice.<br/> <br />Snow usually falls in Tokyo during December or January.<br/> <br />Nick Rowlands, Reuters.