punctuatioin IN THE FIRST

(1)Three persons were killed-all by relatives-over minor issues in
three different incidents in the Capital in the past 48 hours.
 In the first incident, a 25-year-old man was stabbed to death,
allegedly by his elder brother, after the victim verbally abused their
 mother who had disowned him because of his bad
habits.(source-Hindustan Times Fridday, November 06, 2012)

(2)A 27 year old student was killed and six persons were injured in
three seprate accidents reported from different parts of the capital,
 police said on Monday. In the first accident, four men suffered
injuries when an unknown vehicle crashed into their car on Phirni Road
 around 9 pm.(source-Hindustan Times Tuesdday, November 25, 2012)

(3)Three persons were killed adn four injured in two separate
accidents that took place in north and ease Delhi within minutes of
each other on
  Tuesday night, police said. In the first accident, a truck carrying
fruits and vegetables fell off a flyover near the Indira Gandhi Indoor
stadium
 around 3am, killing three persons. In another accident, a collision
between an Innova car and an unidentified hatchback near the
Akshardham temple
  left three persons injured.(source-Hindustan Times Thursday,
November 01, 2012)