Mystery over Weymouth swan deaths

There's mystery tonight around the sudden deaths of swans on a reserve in Weymouth. The RSPB says the 14 deaths cannot be explained and no other bird species have been affected.

Mystery over Weymouth swan deaths

There's mystery tonight around the sudden deaths of swans on a reserve in Weymouth. The RSPB says the 14 deaths cannot be explained and no other bird species have been affected.

A government agency has been called in to investigate what's causing the deaths. Caron Bell reports.