One civilian has been killed and 42 conscripts and two civilians injured in a militant attack on a security camp in North Sinai's Al-Arish, health ministry undersecretary for North Sinai Tarek Khater told Ahram Online.
On Tuesday morning, soldiers on guard shot at a bomb-laden water truck, which attempted to storm their camp, before the vehicle exploded, Al-Ahram Arabic news website reported.
The camp is located in El-Masaeed area of the city.
A worker at an adjacent electricity facility died as a result of the explosion.
Some buildings around the camp were damaged during the blast.
On Monday, three policemen were killed and three others injured in a militant attack on their armored vehicle in the North Sinai town of Sheikh Zuweid.
Tuesday's attack on the security camp marks the first major terror operation against a security post in the restive peninsula since Islamist militants killed 30 soldiers and civilians at a security checkpoint in October.
This is a developing story, please check back for updates