(Corrects to show it was one of the biggest mass sentencings, not the biggest)
CAIRO, Jan 9 (Reuters) - An Egyptian court sentenced 63 Muslim Brotherhood supporters to three years in jail each on Thursday on charges including rioting, thuggery and weapons possession during protests late last year in Cairo, a judicial source said.
It was one of the biggest mass sentencings of Brotherhood supporters since the army-backed authorities began cracking down on the movement after former President Mohamed Mursi was deposed in July.
(Writing by Tom Perry; Editing by Angus MacSwan)
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