Complex sentence: The tank bursts in 5 Crimea Street, making the Armstrongs and Roy panic but Deirdre is unnerved by the way Roy takes advantage of the leak to try to get close to her.
Split into simpler sentences: The tank bursts in 5 Crimea Street causing the Armstrongs and Roy to panic. Deirdre becomes unnerved by the way Roy takes advantage of the leak to try to get close to her.