Suspected militants in Egypt's Sinai blew up a gas pipeline on Friday for the second time in less than a month, security officials said.
The officials said there were no injuries.
Militants had blown up a section of the same pipeline on December 31.
It feeds into an industrial area in the restive peninsula, where shootings and bombings have killed scores of policemen and soldiers since the army ousted Islamist president Mohamed Morsi in July.
Militants had forced a halt to gas supplies to Israel and Jordan by repeatedly targeting another pipeline through Sinai following the 2011 overthrow of Hosni Mubarak.
They escalated attacks following the military's overthrow of Morsi.
The group spearheading the attacks, Ansar Beit al-Maqdis, is inspired by al-Qaeda and has claimed bombings targeting police in mainland Egypt.