Hires and promotions at Philadelphia Insurance Cos., Zurich, Torus and Digital Insurance. News from Lockton.

Historic flooding dominated a below-average natural catastrophe season through the first half of this year, according to a Munich Re Nat Cat presentation.

Enstar Group Ltd. will acquire specialty insurer Torus Insurance Holdings Ltd. in a combination cash and equity transaction worth $692 million.

Ambac Assurance Corp joined growing opposition to a proposal by Detroit's emergency manager to default on certain bonds, including some the city backed with a pledge of its full faith and credit when they were sold, and warned that a default on them would hinder its ability to borrow in...