FNC Entertainment girl group AOA ranked number five on Billboard's world albums chart with their latest release.

According to Billboard on July 3, AOA entered its world albums chart for the first time and took the no.5 spot. Billboard's world albums chart is ranked by sales data and AOA made a record of ranking the highest among all Korean artists.

"Heart Attack" is also enjoying much popularity in China. On June 23, the track topped China's music download site Kuwo, and on June 25, they topped China's biggest music site Kugou's Korea-Japan chart.

AOA's third mini album "Heart Attack" was released on June 22 and the group has been actively holding comeback activities ever since.