Hanoi (VNA), April 29 -- The consumer price index (CPI) in April inched up 0.07% from the previous month and 4.4% year on year, mainly fueled by a petroleum price hike, the General Statistics Office (GSO) said on April 29.

Among the 11 main groups of consumer goods and services, eight saw price hikes compared to the previous month while the three remaining groups saw price decline.

The GSO report shows domestic petrol prices increased by 4.78% and diesel prices rose by 2.01%, prompting transportation and related service costs to expand 1.95%. Notably, aviation transportation costs soared by 10.42% due to high demand for travel during the five-day holiday period, starting from April 27.

Meanwhile, drugs and medical services edged up by ...