Guy Carp operations head; Argo LatAm chief; Two in delegated authority bid; Mayo leaves Ariel; Compre captive legacy deal; Mapfre UK retail launch; Arch $38mn property fac hit; Benardout joins Patria Re SPA; IAG buys cat cover; Grande terrorism claim; US Choice Act passed; Towler to lead LSM aviation; Weather losses near $3bn; Markel merges units; QBE signs up Arrowhead; XL Catlin ups property limit; Marsh bolsters Boeing facilities with Ex-Im hires; PM May moves Truss; WR Berkley Mexican launch.