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LOS ANGELES (AP) - Court filings show Tito Jackson's son expressed concerns that Michael Jackson's mother was being prevented from returning to Los Angeles, and that there were efforts by other family members to remove the pop superstar's children from their home.

The filings released late Wednesday include statements by TJ Jackson about family matriarch Katherine Jackson.

The filings also detail an early morning incident Wednesday in which new security guards arrived at the home where Michael Jackson's children live and asked where they go to school.

The filings state the question prompted concerns about their safety and the children did not attend school on Wednesday.

A judge has appointed TJ Jackson as temporary guardian over the three children, who range in ages from 10 to 15, until Katherine Jackson returns from Arizona.