TALLINN - An explosion at 4:30 a.m. Friday morning in a phone booth injured two people seriously and shattered windowpanes in surrounding buildings.
The blast occurred on Pae Street in the Lasnamae residential district, the fifth such blast in the past few years.
According to reports, a janitor and a woman who happened to be passing the booth at the time of the explosion were badly injured.
All that remains of the booth is three iron poles, a spokesman for the fire and rescue service said.
Preliminary information indicate that the janitor found a bag, which exploded when he decided to open it up.
Security police and the state prosecutor's office are investigating the explosion.
The most recent bomb Pae Street occurred at a women's dormitory on May 17. No one was injured.
In May 2003 a woman was killed and a man injured when a bomb exploded in a room in another Pae Street dormitory.
A blast occurred in the same building in April 2000, and in December 1998 a bomb planted in a bar on Pae Street went off. The end wall of the building collapsed, and two people were killed.