The BBC Radio 2 news has just reported the evacuation of more houses in the Beeston area of Leeds, with a controlled explosion within the past half hour.
In Leeds, a controlled explosion was carried out in the Beeston area after police cordoned off several streets and evacuated residents.
They have been told by police to take enough clothes with them for three days.
Earlier, police had lifted a cordon around another neighbourhood after it was found that a suspect substance in one house was not hazardous.
(from the middle of http://news.bbc.co.uk/1/hi/uk/4679681.stm