<sod >More than 1,500 mourners on Monday thronged a church for the funeral of 14-year-old student Alaina Petty, one of the 17 people killed during the Parkland massacre, the Associated Press reported.< eod>< sod > Â  More than 1,500 mourners on Monday were said to have attended a church for the funeral of 14-year-old student Alaina Petty, one of the victims of theÂ Parkland massacre,Â  Family members spoke at Mondayâs funeral about how the teen had enthusiastically joined fellow Mormon youth for cleanup efforts after Hurricane Irma struck Florida in September.< eod>