Simplify the following text for a Grade 8 native English-speaking person.
Original: In August 2008 , four of her relatives were killed in a safari bus crash in South Africa , and she was given indefinite leave from filming Terminator Salvation , returning later to complete filming .
Simplified: In 2008 , four of her relatives were killed in a safari bus crash in South Africa . She was given indefinite leave from filming Terminator Salvation , and returned later to complete the rest of the filming .