How do you build up your police force when recruits keep getting blown up?

The question is how can this sort of thing can be stopped unless all forms of transportation and pedestrians are banned from Baghdad?

A suicide bomber has killed 13 Iraqis arriving at a police recruitment centre in central Baghdad, a medic said, in the latest attack to strike security forces in the war-torn capital.

Separately two civilian women were killed in a mortar trike (sic) on a marketplace in southwest Baghdad, and a bomb targeting a police patrol in the north of the city injured a bystander, police said Thursday.

The bomber, wearing an explosive vest, struck at sunrise in a street outside a police academy in the heart of the Iraqi capital that has been barred to vehicular traffic, security officials said.

Ten police recruits were killed instantly and another three died of their injuries after being rushed to the al-Kindi hospital, a medical source said.

Brigadier General Abdul Karim Khalaf, director of operations at the Iraqi interior ministry, confirmed the details of the attack but said that according to his information only 11 people had been killed.

Since 2004, before the traffic ban was put in place, the police academy near Palestine Street in the Rusafa district came under attack three times -- by car bomb, mortar and a suicide bomber.

And please tell me how thousands of more troops can stop such bombings? Maybe thousands of bomb sniffing dogs would do the trick.

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