Sir Peter Soulsby explains how the square, if given the go-ahead, will connect the different parts of the city.
People in Leicester are being asked for their thoughts on the design proposals.
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An engineer has been confirmed dead in the crash in Wales. The RAF say the pilot survived and is receiving treatment.
A Red Arrows jet has crashed after an incident at RAF Valley in north Wales, the Ministry of Defence has said.
It has been confirmed that the Red Arrows pilot survived the crash but unfortunately, the passenger, an RAF engineer, died.