India, Aug. 18 -- Thailand's economy grew at a softer pace in the second quarter largely due to the slowdown in tourist arrivals, official data revealed on Monday.

Gross domestic product expanded 2.8 percent year-on-year in the second quarter, slower than the 3.2 percent growth posted in the first quarter, the National Economic and Social Development Council said.

On a quarterly basis, GDP growth slowed marginally to 0.6 percent from 0.7 percent in the first quarter.

In the first half of the year, Southeast Asia's second-largest economy expanded 3.0 percent from a year ago.

The government forecast the economy to expand within the range of 1.8 - 2.3 percent this year compared to the previous projection of 1.3 -2.3 percent. The growth was...