* Turnout of 43 pct down is down on past two elections
* Thaci likely to depend on smaller parties in coalition
* Government to face result of war crimes investigation (Updates result, adds Thaci quotes)
By Fatos Bytyci and Matt Robinson
PRISTINA, June 8 (Reuters) - Kosovo's ruling party of Prime Minister Hashim Thaci claimed a third term on Sunday in an election marked by a low turnout...