The attacks have been directed at several areas of Gaza since midnight, according to a spokesperson for the Gaza civil defense controlled by Hamas.
Ten people were killed in attacks in Khan Yunis in southern Gaza, four in Dayr al-Balah in central Gaza, and nine in the Jabalia refugee camp in the north, according to the Nasser, al-Aqsa and al-Ahli>
In recent days, Israel has stepped up its military operations, and hundreds of people have been reported killed and injured in the Gaza Strip.
On Thursday, Israel ordered the population in parts of northern Gaza to evacuate.
