Piracy worsens around Indonesia.

• Position: Ports And Shipping

Attacks against ships on the high seas by armed bandits are rising, with one international group saying the first six months of this year was the most violent half-year for vessels and their crews since 1991.

The most dangerous shipping lanes are around Indonesia, accounting for 64 attacks, including 43 ships boarded, four hijacked and attempts to plunder 17 other ships, according to a report from the London-based International Maritime Bureau, a division of the International Chamber of...