Zeebrugge Day-ahead traded up from an opening level of 14.50 p/th to 15.75p/th after midday, following a tightening in supply at the NBP, where maintenance work forced the Teesside terminal to operate for part of the day at reduced flow, and it was additionally announced that the SEAL terminal (which connects to the Shearwater and Elgin-Franklin gas fields in the North Sea) would be...