Officials are investigating after the boy, who cannot speak, was found on the bus by a depot worker.
Steven McTeague died at the Cookstown Road factory after being pinned against a machine in 2016.
Tyrone manager Mickey Harte is pleased with his team’s response as they beat Derry 1-19 to 1-13 after trailing with nine minutes left in the Ulster opener.
Steven McTeague died at the Terex GB processing plant in Omagh in 2016.
A man was injured during an altercation in the smoking area of the premises in Omagh.