1.   At Christmas the dustbin men always knocked to give Mrs Murphy a box of chocolates and a bunch of flowers.

2.   The man knocked her to the ground and robbed her.

3.   The man knocked at a small side door.

4.   The man accidentally knocked a glass off the table, and as it shattered, they dived again.

5.   Chinelle Moore says she quickly opened her front door when five armed men knocked on it before sunrise one morning because they claimed to be police officers.

6.   For the men angling to knock off Sampras, that better happen soon.

7.   In the crush, a young man knocked it over, breaking its jaw.

8.   One man knocked Grimes to the ground and began kicking him, while the other beat Pickett at gunpoint.

9.   The coach said he was sucker-punched after Martinez Sr. approached him and at least three men knocked him to the ground.