Art thieves in Europe are committing more violent robberies and specialist gangs have been replaced by ad hoc ​opportunists recruited through social media, pan-European police body Europol said. Two of the stolen works were found in the museum garden, but two others are still missing Key points and original sources are listed below.

• Art thieves in Europe are committing more violent robberies and specialist gangs have been replaced by ad hoc ​opportunists recruited through social media, pan-European police body Europol said.S1

• Two of the stolen works were found in the museum garden, but two others are still missingS2

• Thieves stole three paintings from the Renoir Museum on the French Riviera early on Tuesday, the local mayor said.S3

• The targeting of Musée Renoir along the French Riviera follows a wave of thefts from the country’s museums.S4

• Thieves stole four Renoir paintings from a French Riviera museum, abandoning two as police arrived. Authorities are searching for the suspects.S5S6

• Thieves have stolen four valuable Renoir paintings from a museum on the French Riviera.S7