An Inspector calls - What happens next?

Arthur Birling lowered the telephone slowly and looked panic-stricken, at the others.
"That was the police. A girl has just died - on her way o the - after swallowing some disinfectant. And a police inspector is on his was here - to ask some - questions..."
They were all silent for what seemed like ages before Gerald spoke. "Is that supposed to be some kind of a joke? Who was that really, on the phone?"
<Tab/>"That was the police and an inspector is coming round to talk to us."
Mrs Birling collapsed into a near by armchair and Sheila went round to comfort her mother.
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