A persistent liquidity crunch at Lotte Group's construction unit prompted Korea's fifth-largest conglomerate to pour over 1 trillion won ($750 million) into Lotte E&C over the past month, despite a worsening credit outlook for other affiliates. In addition to fundraising from the group's affiliates and loans from banks, Lotte Group Chairman Shin Dong-bin's personal assets were even used to rescue the cash-strapped builder.