Division One newcomers Belfast Harlequins maintained their 100% record with a 17-0 win over Blackrock in Deramore Park while Ballymena also kept their unbeaten record winning 12-8 against Lansdowne in Dublin and Buccaneers saw off the Co Carlow challenge on a 23-15 final scoreline.

In Lakelands, a late Dermot O'Sullivan try, converted by Killian Keane saw Garryowen edge out a youthful Terenure side, 22-15.

Elsewhere, there were wins for Clontarf (46-29) over U.C.D. and Dungannon, 26-20, at home to Ul Bohs.

Results. - Division Two: - Barnhall 3-13 Dolphin. D.L.S.P. 10-29 Young Munster. Dublin University 7-13 Midleton. Greystones 23-45 Old Crescent. Portadown 11-18 Old Belvedere. Sunday's Well 6-20 Bective Rangers. Thomond 15-22 Malone. U.C.C. 16-8 Ballynahinch.

Division Three: - City of Derry 13-13 Suttonians. Corinthians 24-15 Banbridge. Instonians 22-13 Ballina. Old Wesley 12-24 Clonakilty. Skerries 3-17 Highfield. Waterpark 17-11 Monkstown. Connemara 6-0 Wanderers. Queens University 11-7 Naas.