The Hyderabad police have heightened security across the city following the blast in New Delhi on Monday evening.
Intensifying patrolling in busy areas, the police are conducting checks at lodges and hotels to identify suspicious persons.
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Hyderabad police were already on alert in view of the by-election in the Jubilee Hills Assembly constituency scheduled for Tuesday.
Senior officials have asked Station House Officers (SHOs) to brief police personnel about the developments in Delhi and remain vigilant.