Carlow and Dungannon both in the lead

AIB League half times:

Belfast Harlequins 10-00 Blackrock College;

Buccaneers 11-12 Co Carlow;

Clontarf 20-15 UCD;

Cork Constitution 13-09 St Mary's College;

Dungannon 15-12 UL Bohemians,

Lansdowne 05-03 Ballymena;

Shannon 05-13 Galwegians,

Terenure College 15-06 Garryowen.

Greystone 16-12 Old Crescent