Dolphin were the only team from the top flight to lose to a side from a lower division when they lost at the Mardyke 21-9 to U.C.C. Bruff also caused an upset with a 19-12 home win over Old Crescent.

Else where it was a good day for Munster clubs with Midleton the only other club to lose, going down 48-17 away to Malone.

Both Shannon and U.L. Bohemian made successful trips to Ulster with Shannon beating Belfast Harlequins 19-17 and U.L. overcame Dungannon 26-19.

Holders Garryowen defeated Lansdowne 26-5 at the RDS, while there were also victories for both Cork Constitution and Clonakilty in the capital.

In the Heineken Munster Junior League, Clonmel had to come from 18-0 down at half time to beat Youghal 39-18, while Cashel defeated newcomers Newport 30-10 and both these sides lead the way with maximum points.

Cobh Pirates also staged a second half revival coming from 17-5 down at half time to beat Richmond 21-17. Crosshaven had a 13-0 away win over Kilfeacle, but Clanwilliam?s poor start continues as they lost 49-5 away to Skibbereen.

In the other tie Bandon were full value for their 36-10 home win over Thurles.

In the Second Division Old Christians came from 6-0 down at half time to be Ballincollig 21-6 in the top game of the day. St. Senan?s are the early pace setters after their 67-25 drubbing of Douglas.

Kanturk and Muskerry made winning starts to their campaigns with Kanturk edging out Abbeyfeale 11-9 at the West Limerick venue, while home advantage saw Muskerry defeat Fermoy 22-13.

Ennis lost for the second successive week when Tralee defeated them 6-0 and Mallow got back to winning ways with a 34-8 home win over Newcastle West.

Killorglin playing their first ever game in the Junior League lost at home to Charleville. High flying Kinsale were lucky to defeat Killarney 11-6, while there also wins for Carrick-on-Suir, Presentation and Castleisland.

RESULTS:
Schools Interprovincial:Munster U18 15,Ulster U18 10;
Munster U19 6,Ulster U19 10;
     
AIB All Ireland Senior Cup:Ballymena 37,Buccaneers 21;
Belfast Harlequins 17,Shannon 19;
Blackrock College 42,Instonians 6;
Bruff 19,Old Crescent 12;
D.L.S.P. 32,Bective Rangers 18;
Dublin University 3,Clonakilty 19;
Dungannon 19,U.L. Bohemian 26;
Galwegians 18,Ballynahinch 13;
Lansdowne 5,Garryowen 23;
Malone 48,Midleton 17;
Old Belvedere 21,Wanderers 7;
St. Mary's College 35,Corinthians 3;
Suttonians 10,Cork Constitution 33;
U.C.C. 21,Dolphin 9;
U.C.D. 29,Greystones 26;
     
Heineken Munster Junior League Division 1:Bandon 36,Thurles 10;
Cashel 36,Newport 10;
Clonmel 39,Youghal 18;
Cobh Pirates 21,Richmond 17;
Kilfeacle 0,Crosshaven 13;
Skibbereen 49,Clanwilliam 5;
     
Division 2:Abbeyfeale 9,Kanturk 11;
Ballincollig 6,Old Christians 21;
Ennis 0,Tralee 6;
Mallow 34,Newcastle West 8;
Muskerry 22,Fermoy 13;
St Senan's 67,Douglas 24;
     
Division 3:Castleisland 18,Galbally 3;
Killorglin 3,Charleville 22;
Kinsale 11,Killarney 6;
Presentation 29,Dungarvan 0;
St. Mary's 11,Carrick-on-Suir 25;
     
Munster Seconds League Division 1:Cork Constitution 8,Highfield 19;
Shannon 24,Young Munster 9;
Thomond 6,U.L. Bohemian 25;
     
Division 2:Clonakilty 7,U.C.C. 95;
Sunday's Well 19,Old Crescent 7;
Waterpark 15,Nenagh Ormond 15;
     
Gleeson League:Garryowen 13,Shannon 10;
Richmond 8,Thomond 21; ;
  
Junior 2 League:Muskerry 0,Corca Dhuibhne 40;
Shandon 7,Kanturk 17;
U.C.C. 20,Tralee 17;     
Bandon 6,Bantry Bay 9;
Clonakilty 13,Dunmanway 20;
Cork Transport 33,Highfield 18;     
Carrigaline 7,Cobh Pirates 38;
Dungarvan ,Douglas 49;
Old Christians 18,Dolphin 10;
     
Tybroughney League:Waterpark 13,Waterford City 6;
     
Junior Friendly:Dolphin 8,U.C.C. U20 7;
     
Junior 2 Friendly:Kinsale 10,Crosshaven 9;
  
Under 16 League South:Crosshaven ,Clonakilty
Highfield A  17,Mallow 5;
Kinsale 20,Dunmanway 7;
Old Christians 15,P.B.C. 32;
Cork Constitution 3,Douglas 17;
Fermoy 31,Midleton 15;
Kanturk 41,Highfield B 10;
Muskerry 42,Mitchelstown 7;
 
Under 14 League South:Bandon 5,Ballincollig 22;
Cork Constitution 36,C.B.C 5;
Crosshaven 32,Dunmanway 12;
Muskerry 20,Fermoy 17;
Old Christians 30,Cobh Pirates 18;
Youghal 65,Dolphin 15;
     
Under 18 League West:Killorglin 20,Castleisland 17;
     
Under 14 League West:Killorglin 10,Castleisland 15;

Under 18 Friendly:Cobh Pirates 5,Highfield 24;