DUBAI, June 1 (Reuters) – Kuwait’s emir began a visit to Iran on Sunday, the first by a ruler of the U.S.-allied Gulf Arab state since the 1979 Islamic revolution, underscoring improving ties between Tehran and its Arab neighbours.

* Coming up: U.S. nonfarm payrolls for April – 1230 GMT (Updates prices)

NEW YORK, April 2 (Reuters) – Two expansion projects on Enbridge Energy partners’ Alberta Clipper pipeline will be delayed until July 2015, company president Mark Maki said in an interview with Reuters on Wednesday.