(Sharecast News) - Warehouse investment trust Tritax Big Box said it had agreed a new £250m 12-month senior, short-term, unsecured banking facility with a syndicate of lenders comprising Barclays Bank, Royal Bank of Scotland and Banco Santander.Tritax said the loan will provide it with "committed capital, at an attractive margin, to assist in the acquisition of investment opportunities" in its investment pipeline.It added that there was an option to extend by a further six months.