Exodus 9 24
As the hail fell it was accompanied by lightning flashing back and forth. The hail that fell was so severe that nothing like it had ever been seen in the whole of Egypt since the beginning of its history.
Compare with other 3 random translations
NAS Exodus 9:24So there was hail, and fire flashing intermittently in the midst of the hail, which was very heavy, such as had not occurred in all the land of Egypt since it became a nation.
YLT Exodus 9:24and there is hail, and fire catching itself in the midst of the hail, very grievous, such as hath not been in all the land of Egypt since it hath become a nation.
WEB Exodus 9:24So there was very severe hail, and lightning mixed with the hail, such as had not been in all the land of Egypt since it became a nation.