Police were called to Soothill Newsagents in Soothill Lane shortly before 8am this morning (Saturday).
Two people had threatened staff before stealing a number of lottery scratchcards.
No one was injured.
A man and woman were later arrested on suspicion of robbery, a West Yorkshire Police spokesman confirmed.
Anyone who witnessed the incident or who has any information is asked to contact Kirklees District CID via 101, quoting crime reference 13200507620 or online via www.westyorkshire.police.uk/101livechat
Information can also be given anonymously to the independent charity Crimestoppers on 0800 555 111.