A truck sporting several bumper stickers in support of President Donald Trump was reportedly vandalized and set alight in Washington state.

The word 'Trump' was spray-painted in white along the side of the now burnt-out vehicle, which was parked outside a bar in Vancouver on Sunday night.

The owner said he believed this was a targeted attack, owing to the two pro-Trump stickers he had just recently placed on the Nissan Titan truck.

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Johnny MacKay's truck parked outside Garage Bar and Grille in Vancouver, Washington state. The word 'Trump' was spray-painted along the right-hand side in large white letters

'All of a sudden I saw the tires were melted, the windows were shattered, and I was just in shock,' Johnny MacKay told KOIN-TV, a Oregon-based station.

'If you say anything that someone doesn't like, you are ultimately a target.

'You're automatically the enemy and they have to hurt you.'

MacKay said he went for a few drinks in the Garage Bar and Grille, so decided to leave the truck in its parking lot overnight on Sunday while he took a taxi home.

The burnt and melted interior of the Nissan Titan truck, which had two bumper stickers on it endorsing President Donald Trump

MacKay, who said he did not actually vote for Trump but supports the Oval Office, makes his living as an Uber driver, so has also lost his source of income

He said he left the vehicle under a light, hoping to discourage anyone from potentially breaking in.

When he returned to the bar on Monday morning, however, the fire had almost completely gutted the truck.

MacKay's vehicle had two stickers on its bumper endorsing the president, including one that said: 'TRUMP 2020'.

'I literally just put them on this weekend,' MacKay told the station.

The two bumper stickers on the back of Johnny MacKay's truck, one of which endorses the President in the 2020 election

'If I would've known somebody would've taken politics this far... I saw them, I thought they were funny and apparently somebody didn't get the joke.'

A resident who lives opposite the bar, Randy Sanchagrin, said he heard a loud explosion and ran outside to see the truck ablaze and consumed by flames.

'All of a sudden I hear a loud bomb and the windows shake,' Sanchagrin said.

He told his sister to call 911 before going back outside to see if anyone was hurt.

Fortunately, MacKay was home by this time and no other injuries are reported.

Residents say they heard a loud explosion, following which the vehicle was entirely consumed by flames outside Garage Bar & Grille, 1101 W. Fourth Plain Blvd, Vancouver

Several people alerted Vancouver police to the fire around 2.30am on Monday morning, and they are treating it as suspicious

'By the time I ran back to the street it was so bad there was no getting close to it,' Sanchagrin said.

Vancouver Police said the fire was reported by several 911 callers around 2.30am Monday. Officers confirmed are they are treating it as suspicious.

The burnt truck had severe damage, including charred doors and melted seats.

'We hear a loud boom, we feel the boom, it shakes our bed,' said Myia Flores, another local resident.

The wreckage of the truck, which is now just a shell as the interior is completely melted and the doors charred

'Just opening the door and seeing the flames–it was like crazy, it was crazy to see.'

A video posted to Twitter shows flames engulfing the truck, and its burned-out body in the aftermath.

MacKay, who said he did not actually vote for Trump but supports the Oval Office, makes his living as an Uber driver.

He said he had a message for the person who has also taken away his source of income.

'(They) need help,' he said of the unknown culprit.

'Whether it was from drugs or a mental condition, this person needs to get help. If they blow up at this, who knows.'

'It's a crazy world, man. Right now, with all the politics and everything, it's a crazy situation,' MacKay told FOX12.