Breweries are being urged not allow Dumbarton and Vale pubs to go bust due to the Covid-19 crisis.Local politicians have spoken out after the Lennox Herald revealed last week how a Dumbarton landlord has warned many bars may not reopen due to full rent charges being imposed by breweries.David Woodcock, who operates the Burgh Bar in Dumbarton High Street, said he could be left up to £20,000 in debt as owner Punch Pubs is deferring rent payments instead of cancelling or reducing them.Like every pub across the country, David had to shut his pub in March but he is still facing full-price rent charges.He said some pubs in Dumbarton and Alexandria may not reopen as thousands of pounds in rent debts and no income will leave them battling for