China's Sichuan province was hit by 300 aftershocks Sunday as rescue teams scrambled to the region after a deadly earthquake.

At least 32 people are reported dead or missing after Saturday's 6.1 magnitude quake. Hundreds of people were injured, according to the China Earthquake Administration.

While most of the dead were in Sichuan province, at least five deaths were also reported in the neighbouring province of Yunnan.

The death toll could increase once rescue crews reach the earthquake zone. There are concerns people may still be buried in the rubble of destroyed buildings. News reports indicated that at least 1,400 homes collapsed in two towns in the country's southwestern region.

The Yunnan Red Cross Society has sent 3,400 tents and 2,000 quilts to the region, according to Xinhua. But bad weather and the area's rugged terrain may hamper relief efforts.

New aftershocks may also make the work of rescue crews more difficult. The Associated Press reported Sunday that an unidentified woman who answered the phone at Sichuan's seismological bureau said a 3.3 magnitude tremor was the biggest of 300 aftershocks that hit the area.

State broadcaster China Central Television showed dozens of evacuees assembled in a primary school field, according to AP. It reported the evacuees included children and the elderly, who were lying on plastic sheets and mats laid on the ground.

China was also hit by a separate earthquake in its northwestern region on Saturday. Xinhua reported there were no casualties from the quake, which hit a sparsely populated mountainous area.

A massive 7.9 magnitude earthquake devastated Sichuan on May 12, leaving nearly 70,000 people dead and another five million homeless.

With files from The Associated Press