Madrid: Spain's Santander reported a record net loss of 11.1 billion euros ($13 billion) in the second quarter, taking the biggest hit yet for a European bank dealing with the coronavirus crisis which it tried to offset with lower costs.The euro zone's second-biggest bank by market value said on Wednesday it had booked one-off charges worth 12.6 billion euros as the economic deterioration caused by the COVID-19 pandemic forced it to writedown previous acquisitions, mainly in Europe.Santander's core markets spanning Brazil to Spain have been some of the hardest hit by the pandemic, with weaker emerging market currencies exacerbating the pain.Of the total impairments, 10.1 billion euros are related to goodwill and 2.5 billion euros to DTAs,.