Dec 14 Semgroup Corp :
* Thomas r. Mcdaniel has been elected new chairman effective jan. 1, 2017
* Chairman john f. Chlebowski has informed company of his decision to retire from board of directors effective dec. 31, 2016
* Semgroup announces retirement of board chairman, new chairman named Source text for Eikon: Further company coverage:
British Airways suffers flight delays after global IT outage
LONDON, May 27 British Airways flights in Britain were being delayed and passengers were suffering long waits at airports on Saturday because of a global system outage, the airline said.