Terrified joggers were forced to flee after a giant ash cloud suddenly raced toward them following a partial collapse at a volcano.
Shocking footage captured the moment a huge wall of thick black smoke rolled across the road as runners desperately tried to escape.
The wild clip has amassed an enormous 1.2m likes and was shared 229,000 times.
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One witness said the group initially thought the cloud was harmless before realising it was volcanic ash heading straight for them.
The drama unfolded near Mayon Volcano in Legazpi City, Philippines.
Kenneth Urbano, 27, had been preparing for a jog with friends when they spotted what appeared to be a small white cloud near the foot of the volcano.
Moments later, the situation escalated dramatically.
“My friends and I were about to start our jog near 7/11 when a light drizzle almost made us cancel,” Kenneth told creatorzine.com.
“After a while, the rain stopped, so we decided to go ahead.
“Just before we began, I noticed a small white cloud creeping down the foot of the volcano, but I didn’t think much of it.”
As the group reached the other side of the bypass road, they suddenly spotted a huge cloud rapidly moving towards them.
The video shows the friends laughing and filming the bizarre sight before panic set in as the ash cloud drew closer.
Kenneth said: “When we reached the other side of the bypass road, we suddenly saw a massive wall of thick black smoke.
“We even stopped to take photos, but then I noticed on my right that the smoke was slowly moving toward us.
“That’s when it hit us – this wasn’t normal smoke.
“It was ashfall from the collapsed dome of Mayon Volcano.”
The group managed to escape moments before the ash cloud engulfed the area.
A passing driver stopped to help and drove them to safety.
Kenneth said: “A kind stranger even offered us a ride when we reached the main road, helping us get to safety before the ash cloud could engulf us.”
The ash cloud was reportedly so dense that visibility dropped to zero.
Kenneth added: “We only realized afterward that it came from the collapsed dome of Mayon Volcano when messages from our colleagues and alerts from the NDRRMC started coming in.
“The ash cloud was so dense that visibility dropped to zero.”
Despite initially laughing about the situation, the group quickly realised the danger they were in.
Kenneth said: “It was a mix of emotions.
“We were laughing and not taking it seriously at first, but we quickly became serious while staying calm enough to think logically in an emergency.”
Authorities are continuing to monitor activity around Mayon Volcano.
Viewers voiced their disbelief at the clip with one saying: “What are you even supposed to do in that scenario?”
Another panicked commenter said: “Why aren’t you screaming?”
A third viewer added: “After recently learning what a pyroclastic flow is… you’re definitely not running fast enough.”
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