By Tom Victor Reading’s League One match against Port Vale has been suspended following a pitch invasion as fans voiced their concerns. Fans had earlier thrown tennis balls onto the pitch in protest; the game was level when the interruption took place, with play stopped after the pitch invasion. “We shouldn’t be doing this,” fan group Sell Before We Dai said in a message to owner Dai Yongge. “We should be enjoying the game with friends and family. This is just the start Dai. We are coming for you. So do yourself a favour and sell.” Those following the game posted on social media that the EFL c…