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In the wreckage, investigators will also examine fuel filters, lines, valves and residual fuel to check for contamination - something that's easy to detect or rule out, a crash investigator who preferred to remain unnamed, said.

A spokesman called on residents around the volcano "to evacuate to safe locations" as tremors were still being detected, which indicated ongoing volcanic activity.

A significant proportion of abuse stems from betting, according to Signify, which has been working with tennis authorities on detecting abuse through an artificial intelligence-led detection system called Threat Matrix.

The screening detects HPV - the type of infection which is the main cause of cervical cancer.

But once such species are introduced, detecting and eradicating them quickly becomes the goal.