29 Across - Object grasping earl extracted(5) M???d (Mined ?)
8 Down - Maybe Italian cereal is a sign (Sorry no letters)
15 Down - Alkali metal proposal ends poorly (Sorry no letters)...
6 Down - Animal fur, if trimmed (5) C???I
8 Across - Squad not one to back off (sorry no letters)
11 Across - Entirely unknown associate(sorry no letters)...