A suspected letter bomb exploded at a business center southwest of London Tuesday, injuring two people, police said.
Emergency services were dealing with a small explosion at 9 a.m. at a company in Oaklands Business Centre, Wokingham, Thames Valley police said in a statement.
Police said it was "likely" that an item of mail had ignited and caused the "small explosion."
It was too soon to say whether the explosion was linked to a letter bomb that detonated in central London Monday, injuring one person, police said.
Sky News television reported that the company targeted in Tuesday's explosion was involved in processing speeding fines.
On Monday, a padded envelope exploded at an office belonging to Capita Group PLC, which administers the 8 pound (US$16) daily fee meant to cut down on traffic in central London and collects television licensing fees.
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