Lindsay Lohan Caught on Camera 'Injecting Heroin'

'Bail has been set at $300,000.'

Within hours the bail had been posted and Lohan walked free. Judge Schnegg ruled, however, that Lohan must be fitted with a SCRAM alcohol-monitoring device.

She has also been ordered to keep away from shops that primarily sell alcohol, until her next appearance in court on 22 October. The judge will then decide whether she formally violated her probation by failing the drugs test.

Lohan was ordered to jail until an Oct. 22 hearing after she admitted failing at least one court-ordered drug test in her three-year DUI case and was handcuffed and taken away.

Lindsay's reaction was apparently that of shock when she was remanded in custody. She is said to have looked at her lawyer before being taken out of the courtroom. Judge Fox scheduled a formal probation hearing for 30 days from now when Lindsay will have to answer to her failed drug tests.

He  had previously warned Lohan he would put her back behind bars if she tested positive or skipped one of her twice-weekly tests.

The Probation Department will apparently not recommend jail time for the second failed drug test because of an ambiguity in the paperwork.

It has also been claimed Lohan is planning to voluntarily check back into rehab, despite relapsing just weeks after being released from her court-ordered stay in Ronald Reagan UCLA Medical Centre.

A source told People.com: 'She will step up her treatment and do more than what she was previously ordered to do.'

If she does check back into a centre, it will be Lohan's fifth stay in rehab.