A PURPOSEFUL 64 from Police allrounder Antonio Mayers was not enough to prevent the lawmen from conceding first innings lead to visitors BNB St Catherine as left-arm spinner Derick Bishop starred with bat and ball. Mayers came to the crease with his side struggling on ten for three and shared in a 56-run fourth-wicket partnership with opener Roger Williams (30) and a 53-run fifth-wicket stand with Brian Corbin (22). Steady lineIt was during that partnership that Mayers brought up his half century after batting for 100 minutes and facing 64 deliveries, five of which reached the boundary.Bishop, who kept a steady line throughout the innings, finished with four for 31 and then hit a fluent 44 as St Catherine reached 162 for five at the close for an overall lead of 203 going into the third and final day. Captain Kenroy Williams contributed 35.