So I'm a new DM running the Lost Mine of Phandelver for the first time, and the party somehow all got knocked unconscious by the ruffians in the Tresandor Manor. They entered the manor through the tunnel that Carp found which leads to area 8. The whole party was level 2. After the battle with the nothic, they suffered some damage and pressed on to to area 10, where they somehow kept missing their attacks and kept taking damage from the drunk ruffians in there. I'm not sure what to do with the characters at this point to continue the story. Do I just say they got captured or something? Can someone give me ideas?