6-year-old girl among 3 killed as 6.8-magnitude earthquake rocks southern Philippines

Manila, Philippines (CNN) - A 6-year-old girl was among three people killed when a 6.8-magnitude earthquake struck the southern Philippines island of Mindanao on Sunday.

The girl was inside her family's house when the building collapsed and killed her, the province's governor, Douglas Cagas, told CNN.

Fire Service director Chief Superintendent Samuel Tadeo confirmed the three deaths and said a market in Padada had collapsed.

The country's second-largest island is a popular tourist destination, and videos posted on social media showed hotel pools dramatically overflowing and mass evacuations of shoppers from malls.

Residents reported schools had been severely damaged -- luckily empty of students at the time, as the quake happened on a Sunday. Gov. Cagas of the island's Davao del Sur province said a three-story building had collapsed.

Classes have been suspended for Monday, and bridges closed due to cracks, Davao city officials said.

President Rodrigo Duterte was at his home in Davao, the largest city on the island, at the time of the quake, reported state-run Philippine News Agency (PNA). He was unhurt, although his house reportedly "sustained several cracks in the walls."

There were several aftershocks in nearby provinces, including a 5.0 magnitude, according to the US Geological Survey. It added that there was no tsunami threat, as the quake struck inland and not the water.

It's the latest in a serious of quakes to strike the island in recent months. In October another series of 6.6 and 6.5-magnitude quakes struck Mindanao, killing 14 and injuring more than 400.

CNN's Jinky Jorgio reported from Manila, Eric Cheung reported from Hong Kong, Sheena McKenzie wrote from London. Jennifer Deaton contributed to this report.