They arrested a 32-year-old man and charged him with supplying prohibited drugs.

The fire at about 1.30pm caused significant structural damage.

Police found a bag containing methylamphetamine (ice) with a street value of about $1 million and chemicals used to manufacture the drug, known as cutting agents.

Two detectives suffered a burning sensation to their eyes from the chemical agents in a cupboard and were treated by a doctor.

Both have returned to duty.

Chief Inspector Andy Richmond said the property may have been used to make the drugs but it was unclear due to fire damage.

The man was refused bail and will appear in Liverpool Local Court December 16.

Anyone with any information can call Liverpool police, 98218444 or Crime Stoppers 1800333000.

A man charged with ther armed robbery of the El Toro Hotel, Warwick Farm, earlier this year was remanded in custody when he faced Parramatta Bail Court at the weekend.

Mark John Lord, 34, of Terminus Street, Liverpool, faced several charges including robbery with an offensive weapon.

Police allege he threatened staff with an automatic handgun and that clothes matching those worn by the bandit in CCTV footage were found in his home. He will face Liverpool Local Court on November 4.

Green Valley police are still looking for the thieves who broke into two homes in West Hoxton while residents slept last week.

A third robbery, this time in daylight while the occupants were at work, might be related.

Police have asked the residents of the area to be vigilant and to report anyone acting strangely to Green Valley police on 96071799 or Crime Stoppers on 1800333000.

Three people have been arrested over the robbery of a man, 29, who had been walking home from Warwick Farm station early on October 25 when accosted by a group of seven.

A boy, 15, a girl, 16, and 19-year-old man, all from Lurnea, were arrested this week and charged with robbery in company.