London shopping mall
Shoppers being evacuated from a London mall.Twitter/ vaida m @VaidaMar

The Westfield Shopping Centre in London had to be evacuated on Wednesday after reports emerged that an "unexploded shell from World War II" was found nearby. 

The police reportedly found 'what is believed to be a WW2 shell approximately 13.5 inches in length and around six inches wide' the Met police said on its website

The police said its officers were investigating reports about the "unexploded WWII shell". 

"Police were called at 10:41hrs to a building site in Ariel Way, White City, W12, to reports of an unexploded ordnance. Officers attended the scene and found what is believed to be a WW2 shell approximately 13.5 inches in length and around six inches wide," the Met police said.

The Met police said that the 'item was removed' at 12.40 pm local time, and that the cordons had been lifted. 

Westfield said through its Twitter account that it had shut the White City shopping centre after the unexploded shell was found, but soon tweeted that it had re-opened the centre. 

Many locals took to Twitter to share photos of the evacuation and reports of warnings that there was a WWII bomb in the vicinity.

This is purportedly the construction site where the 'unexploded WWII shell' was found'. 

Some panicked locals cited the reason for the evacuation as an "attack" as clear details were not available. 

Some also thought it fit to take selfies during the evacuation.