Simplify the following text for a Grade 5 native English-speaking person.
Original: On 28 April 1996 , Martin Bryant went on a killing spree at Port Arthur , murdering 35 people and wounding 21 more before being captured by the Special Operations Group of the Tasmania Police .
Simplified: On 28 April 1996 , Martin Bryant killed 35 people and hurt 37 others at Port Arthur . He was captured by the police .