GAZA CITY (CNN) -- Israel launched an airstrike Tuesday night on southern Gaza after clashing with Hamas militants in central Gaza, Palestinian sources and Israel Defense Forces said.
Medical workers wheel a wounded man to hospital in the central Gaza strip on Tuesday after clashes.
Four were killed in the airstrike, which occurred east of Khan Younis, Palestinian sources said. They said a drone and an apache helicopter could be seen.
Earlier fighting between Hamas militants and Israel Defense Forces killed one militant and injured three, bringing the total death toll to 5.
The fighting occurred after dark when Israeli troops entered the eastern part of the Dir Albalah refugee camp in central Gaza, Palestinian sources said.
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