TWO men took part in an aggravated burglary at a house on Arundel Road, Luton, on Tuesday, April 12.
They forced open the front door at around 10pm, demanded money and made threats before leaving with cash and a laptop.
The first man was wearing a white mask over his face, was over 6ft tall and well built and the second man was black, 6ft and slimmer.
It is thought one of them may have been using a mountain bike.
Anyone with information call Det Con Duncan Crighton on 01582 394333, text 07786 200011 or call Crimestoppers on 0800 555 111 anonymously.