Complex sentence: Depositors thronged the bank branches but were turned away by mounted police and the Mayor of New York, Jimmy Walker began legal action to recover $1.5 million which the city had in the bank.
Split into simpler sentences: Depositors thronged the bank branches but were turned away by mounted police. The Mayor of New York, Jimmy Walker, began legal action to recover $1.5 million which the city had in the bank.