<http://schema.org/headline>
"New powers for police volunteers must be used wisely, warns Yorkshire chief constable"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.yorkshirepost.co.uk/news/crime/new-powers-for-police-volunteers-must-be-used-wisely-warns-yorkshire-chief-constable-1-7685937>