The medium-to-high intensity blast outside Delhi High Court today left at least nine dead and more than 45 people injured.
Following is the chronology of blasts that rocked the national capital since 1997.
May 25, 2011: Minor blast in a car park outside Delhi High Court, no causalities.
September 27, 2008: Three persons killed and 21 injured in a low-intensity blast at Mehrauli flower market near Qutab Minar.
September 13, 2008: At least 25 people killed and over 100 injured in five serial blasts within 45 minutes across Connaught place, Ghaffar market in Karol Bagh and M-Block market of Greater Kailash-I in south Delhi.
April 14, 2006: At least 14 people were injured after two explosions at the courtyard of Jama Masjid in the walled city of Old Delhi.
October 29, 2005: Over 59 people were killed and more than 100 injured, including some foreigners, in three explosions that rocked Sarojini Nagar and Paharganj markets and one in a bus in Govindpuri area of Delhi.
May 22, 2005: One person was killed and 60 injured in serial blasts in two cinema halls in Delhi.
June 18, 2000: Two persons, including an eight-year-old girl, were killed and about a dozen others injured in two powerful bomb blasts near the Red Fort in Delhi.
July 26, 1998: High intensity explosion in a bus parked at Kashmiri Gate of Inter-State Bus Terminal (ISBT) killed two and injured three persons.
December 30, 1997: Four commuters killed and around 30 injured in a bomb explosion in a bus near Punjabi Bagh.
November 30, 1997: Twin blasts in Red Fort area leave three killed and 70 injured.
October 26, 1997: Twin bomb blasts in Karol Bagh market leave one dead and 34 injured.
October 18, 1997: One person killed and 23 others injured in twin bomb blasts in Rani Bagh market.
October 10, 1997: One killed, 16 injured in three bomb blasts at Shantivan, Kauria Pul and Kingsway Camp areas.
October 1, 1997: Thirty people injured in two bomb explosions near a procession in the Sadar Bazar area.
January 9, 1997: 50 injured in bomb blast opposite the Delhi Police Headquarters at ITO.