Battles over premium reductions and a turf war between insurance brokers have been as notable a feature of the 2017 protection-and-indemnity (P&I) renewals as fleets sailing between the clubs.

The annual renewal of P&I cover takes place at noon GMT on Monday, with the final push to get improved terms from clubs under way this week.

But as the clubs were not seeking any general increases this year, skirmishing focused on the extent of reductions, with rate cuts of up to 5% the starting point for many negotiations.