Tata Steel, Thyssenkrupp merger talks face extensive delays

By Carolyn Cohn and Maytaal Angel LONDON (Reuters) - Investors expecting a deal this year in Tata Steel's talks to merge its European assets with Germany's Thyssenkrupp risk disappointment, given complications associated with the Indian-owned firm's British pension scheme. Tata and Thyssenkrupp shares have firmed on hopes a merger would trigger European steel capacity cuts. Tata Steel UK, Britain's top steelmaker, is seeking regulatory approval to spin off its 15 billion pound scheme into a stan