Derry will aim to bounce back from their midweek FAI Cup exit when they return to league action against Shamrock Rovers.
21-year-old Lee Smyth has had panic buttons installed at his home after receiving threats.
The decision follows the fire at the flagship Primark store at Bank Buildings in August.
Theresa May is to make a statement on the state of Brexit talks after EU leaders rejected her plan.
The dig on the banks of the river Foyle hopes to uncover the location of the Siege era boom.