Simplify the following text for a Grade 8 native English-speaking person.
Original: On April 8 , soldiers attacked the Convent of San Marco and after a bloody battle Savonarola 's guards and religious supporters were killed .
Simplified: On April 8 , a crowd attacked the Convent of San Marco . In the ensuing struggle , several of Savonarolaâ s guards and religious supporters were killed .