Chaos continues in British occupied Iraq

Protestors in Basra took to the streets after the bizarre British "rescue" of SAS agents from a local prison as well as from the home of a Shiite militia home. I'm hardly surprised with the turn of events because for a long time, there have been warnings about Iran infiltrating Iraq with their own agents so it's more of a surprise that it has taken so long for this to happen.

If the British occupied region starts to face more violence due to the Iranian influence, what will Blair do and what will Bush do? Blair is going to struggle if he tries to send more troops and the US already has it's hands full in the rest of Iraq. Bush and Blair had to have this war, so what's the plan for addressing the Iranian infiltration?