One of the most active volcanoes in the Philippines, Mount Mayon, could erupt within weeks, scientists say.

A series of small earthquakes and rockfalls had been recorded and magma could now be seen in the crater, local experts said.

The alert level has been raised to three on a five-point scale. Evacuations would be ordered, reports said.

Mount Mayon, one of the most active volcanoes in the Philippines, has erupted dozens of times

Mt Mayon last erupted in May 2013, killing four climbers and their guide.

Those who died were hit by rocks that rained down on them after the ash blast, local reports said.

The 2,460-metre (8,070-foot) volcano lies 330km (206 miles) south-east of the capital Manila.

(Source: BBC)