Translink has suspended essential engineering work following the incident in Lurgan.
A man is arrested in County Armagh after a police helicopter is targeted with a laser.
It will mean more than 170 pupils moving to the Portadown campus from September 2020.
The shooting happened at a house in the Connolly Place area of Lurgan.
A brick was thrown at the Lurgan Presbyterian church and Remembrance Day crosses were damaged.