(ShareCast News) - The FTSE 100 fell 1.6% as political turmoil in Greece and further falls in Asia drove the sell off.The index blue-chip shares was down 103.8 points to 6,264 at 1435 BST.Pharmaceuticals firm Shire led the fallers, down 4% while Easyjet flew 3.4% lower.Standard Chartered shares continued their fall, down 3%. The bank is suffering from its exposure to Asian markets and increasing bad loans.Among the leading stocks in positive territory were Royal mail, up 1.27%.Fresnillo remained in favour, up 0.66% as investors sought a safe haven in the silver miner as metals prices rise. FTSE 100 - RisersRoyal Mail (RMG) 476.70p +1.27%Fresnillo (FRES) 689.00p +0.66%Johnson Matthey (JMAT) 2,705.00p +0.52%Sage Group (SGE) 510.50p +0.29%GKN (GKN) 290.80p +0.28%Burberry Group (BRBY) 1,420.00p +0.21%British Land Company (BLND) 860.00p +0.17%Land Securities Group (LAND) 1,301.00p +0.15%Relx plc (REL) 1,066.00p +0.09%FTSE 100 - FallerseasyJet (EZJ) 1,644.00p -3.41%Shire Plc (SHP) 4,908.00p -3.29%RSA Insurance Group (RSA) 491.40p -3.08%Standard Chartered (STAN) 789.80p -3.07%Prudential (PRU) 1,429.00p -2.92%Carnival (CCL) 3,266.00p -2.74%Old Mutual (OML) 199.40p -2.73%Aberdeen Asset Management (ADN) 317.10p -2.70%Hikma Pharmaceuticals (HIK) 2,354.00p -2.69%Schroders (SDR) 2,786.00p -2.49%