The device went off shortly after 4 a.m. (0300 GMT), police said.
The explosion ripped off a large part of the wall of the building in
which the bank's branch is located.
"Based on preliminary data, the explosion was caused by an explosive
device of unknown structure and substance," police said in a
They said they were looking for a motorcyclist who drove off from
the scene, but gave no indication of any possible motive for the
CIB Bank is a unit of Italy's Banca Intesa. A CIB spokeswoman
declined to comment.
There are also other banks nearby, including the next-door branch of
Budapest Bank, a unit of GE Capital, which was also damaged.
Banks are generally unpopular in Hungary after encouraging hundreds
of thousands of households to take out foreign currency mortgages
that were relatively cheap before the 2008 financial crisis, but
have become very expensive as the forint's value has fallen.
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The government has implemented various schemes to help indebted
households and is planning a further measure that banks fear could
cause them big losses.
(Reporting by Krisztina Than; editing by Kevin Liffey)
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