(LEAD) S. Korea's GDP expands 1.7 pct in Q1, fastest growth in 5 1/2 yrs: BOK | Collector

Yonhap News Agency

(LEAD) S. Korea's GDP expands 1.7 pct in Q1, fastest growth in 5 1/2 yrs: BOK

SEOUL, April 23 (Yonhap) -- Despite the ongoing crisis in the Middle East, the S...