Stuck on a few this week. 3D Carelessly hands Sam firework before meal (7,3,4) ; 18 a Across the Internet, a medic thrown in with sailor(4-7) ; 8 d TV host made to add charm eerily (7,7) ; 17 d European splits poor vicar's guts (7) ; 12 a Is able to block agraian distribution of island (4,7). Any help greatly appreciated!