Officials say a series of Sunday morning blasts rocked a Gaza district, wounding two people and destroying at least five cars belonging to Hamas and Islamic Jihad militants.
Authorities say the explosions targeted the Sheikh Radwan neighborhood, a Hamas stronghold.
There was no immediate claim of responsibility. However, pictures at the scene of one of the blasts showed the Islamic State group's flag painted on a wall.
The blasts come amid a power struggle between Hamas and Islamist extremist groups in Gaza.
Some material for this report came from AP and AFP.