Screen captures of both the TBS and TEPCO cam depict steam & smoke at Daiichi Dec 24 (Japan time zone)
The first set of screenshots was captured by Horse. Steam appears to emanate from the common spent fuel pool area:
https://www.dropbox.com/s/yi3j71erys56a0j/Capture77.PNG
https://www.dropbox.com/s/igpdnk4abm8c7ve/12-24%201030-jst1.avi
The second set of screen shots were taken from a video captured by Wotcha:
