Aviva Plc has seen higher UK subsidence claims, the latest sign of the impact of this summer's heat wave, which has dried out soil and caused the ground beneath homes to sink or shift. The British insurer experienced a "peak subsidence period" in the third quarter and saw claims continue into October, Chief Executive Officer Amanda Blanc said in a phone interview after Aviva released its third-quarter trading update on Friday. Blanc didn't specify by how much claims had risen but said the insurer still expe ...