carbon monoxide.Jayline Barbosa Brandão heard her dad call out for help and, by the time she’d got to him he had passed out.But she unlocked his iPhone using its facial recognition feature and called the emergency number.Jayline’s parents had borrowed a portable generator after powerful storms knocked out the power across Brockton, Massachusetts.Her mum Marcelina Brandão, later told reporters that they had been without power for three days, but only used the portable generator for a short time before switching it off because it was so noisy.But the generator had raised the concentration of carbon monoxide to about 1,000 parts per million – enough to lead to unconsciousness and even death.Marcelina said she had a headache and felt unwell,.
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