The army tells the news agency AFP that it has struck "several Hamas terrorists" in the northern parts of the Gaza Strip.
A spokesperson for the army tells the news agency that measures were taken before the attack to reduce the risk of harming civilians and that they will now therefore investigate internally what happened.
Most of those affected by the attack were university students who visited the café for internet connection, said the director of the nearby Shifa hospital, Mohamed Abu Selmiyeh, to AFP on Monday.
The place is always full of people because the rest stop offers drinks, seating for families and internet connection, said eyewitness Ahmed Al-Nayrab, 26, to AFP and tells about "a huge explosion that shook the area".
