article_snippet.sent: The troops, a large mechanical digger said, were cautious when The troops entered buildings in case
article_snippet.sent: The troops were wired to explode.
article_snippet.sent: Plumes of smoke rose from burning buildings in the background.
article_snippet.sent: CNN heard at least 16 explosions, some very loud, which police said were controlled.
article_snippet.sent: The potential booby traps were political as well as physical.
article_snippet.sent: Don Melvin wrote this report in London.