Here you go Pintinkie, a link and prayers for your sister and for you. Hang in there...
BBC Online:
London explosions
The Metropolitan Police advise people to stay where they are and not to call the emergency services except in life-threatening situations.
An emergency hotline number is expected shortly.
Thanks I cant get thru too much net traffic I guess. Sister, (not siter! I misspelled) just got back to hotel. Thank God!