Scotland's health secretary defeats rivals Kate Forbes and Ash Regan in a vote of party members.
The pipeline was shut down and specialist oil spill companies brought in after the 200-barrel leak.
Schools in England could face further strikes, as the NEU is unhappy with the government's offer.
The Duke of Sussex has accused the publisher of the Daily Mail of unlawful information gathering.
The government defends new plans to tackle anti-social behaviour by clamping down on nitrous oxide.