1.  An Iranian delegation visited northern Iraq to mediate between rival Kurdish groups.

2.  Fears of a feud between the rival republican groups has also hardened positions.

3.  In this way professions can control rival occupational groups which might threaten their dominance of a section of the Market.

4.  The all-male strip troupe are being checked out by the Office of Fair Trading after a rival group complained about unfair practices.

5.  This is partly attributable to the increased opportunity for away travel which has increased the contact between rival groups of supporters.

6.  Their politics consisted of unstable power-plays between rival groups.

7.  A shaky ceasefire is holding after three days of fighting between rival groups.

8.  Police had to interpose themselves between the two rival groups.

9.  Violent scuffles broke out between rival groups demonstrating for and against independence.