Independent Cryptic Crossword 8381

[BradleyGas]

Can anyone assist with these please:-

1A - Reinforce lock with bar for a start (8)

1D - Runner perhaps takes a short time to grieve (6)

Thanks.

[kayakamina]

but tress

be mo an

[bibblebub]

1a) but tress

1d) bemoan= 'bean' outside of 'mo'

[BradleyGas]

Thanks both, that's great