For the fourth time this year, facilities supplying Egyptian gas to Israel have come under attack.
Saboteurs blew up a pipeline distribution station in northern Sinai in the early hours. Flames could be seen up to 20 kilometres away.
Egypt has been trying to renegotiate gas prices with Israel and Jordan after President Hosni Mubarak was forced to step down in February.
Previous attacks on the pipeline have closed it for weeks.