Spanish police investigate as Picasso painting vanishes on way to exhibition

Still Life with Guitar, worth 600,000, noticed missing after van arrives in Granada from Madrid

Police in Spain are investigating the disappearance of a tiny Picasso painting, worth 600,000 (520,000), which vanished en route from Madrid to an exhibition in the southern city of Granada.

The gouache and pencil work, Naturaleza muerta con guitarra (Still Life with Guitar), was due to go on show at a new exhibition at the CajaGranada foundation, which opened last week.