3a. That's not proper ice stick
PASTE
7d. Source of information for bank robbery
THEFT
2a. To accommodate dead, the underworld widens out
DILATES
19a. Two games in Hants town
GOSPORT
1d. Girl upsetting her best friend, not half!
MAID
21a. Sung part 'notedly superior'?
DESCANT
Parses for the above please.