The woman is understood to have suffered multiple injuries as a result of the fall.
Larne’s Co Antrim Shield semi-final against holders Crusaders on 27 November will take place at Seaview in order to comply with competition regulations.
Part of the A26 road was closed for a time while police investigated the devices.
A mechanic’s garage was attacked in the early hours of Thursday morning.
Veteran Antrim goalkeeper Chris Kerr retires from inter-county football after an 11-year career.