Chinese city Chengdu receives warning 61 seconds before earthquake

180 schools and 110 residential communities in southern China's Chengdu city received an early warning 61 seconds before the earthquake.

In the video, the early warning announcement of the 6.0-magnitude earthquake can be heard counting down.

Another clip captured in Changning County shows the warning information being displayed on TV including the level of the earthquake, location and the estimated time it will hit.