TUNIS - A fire at a crude pipeline owned by Libyan Waha oil firm feeding the Es Sider oil port will cause a production loss of between 70,000 barrels a day and 100,000 bpd, state firm NOC said on Saturday.

The cause of the fire was unclear, NOC said in a tweet.

(Reporting by Ulf Laessing; Editing by Daniel Wallis ) ((Ulf.Laessing@thomsonreuters.com))