Having a few problems this week - the brain isn't ticking. Perhaps a couple of jump leads will get the brain going again!! Grateful for help - should assist with the rest then.
1 across Currently in operation (8,2) S*I***** O*
4 dn Old message out of Rome? (15) **C*M*****E****
17 acr (4,6,5) **K* T***** C*E*R
25 ac (10) I will say again cannot read *********E