SANTIAGO, June 15 (Reuters) - Chile's leading share index fell sharply at the Monday midsession, tracking losses on overseas markets as investors took profits after gains last week propelled the bourse to its highest since December 2007.

The blue-chip IPSA index .IPSA fell 1.51 percent to 3,203 while the all-market IGPA index .IGPA was down 1.17 percent to 15,268. (Reporting by Alexia Vlahos and Manuel Farias; Editing by James Dalgleish)