Dungannon caused the upset of the day in terms of the domestic AIB All-Ireland League scene as they defeated Divison One leaders Shannon st Stevenson Park.
The home side ran out 25-18 winners with former Irish international Jonny Bell scoring two second half tries to mark Dungannon's first ever league win over their more illustrious opponents.
Shannon took a narrow 12-11 lead into the break with tries from Andrew Finn and Richard Mullane. However, Derek Hall got in on the scoring act for Dungannon and also set up Bell for the crucial winning score.
AIL Division One Results
Dungannon 25-18 Shannon
Ballymena 12-17 Blackrock
Dolphin 30-6 Terenure
Lansdowne 13-20 Cork Con
Old Belvedere 14-16 Clontarf
St Mary's 13-9 Greystonen
UL Bohemian 14-19 Garryowen
UCD 10-0 Galwegians