Current News update from Deccan Herald says
BOMB BLASTS IN BANGALORE
The explosions shook Adugodi, Madivala and Nayandahalli. Bomb disposal squads rushed to the sites. At least one killed, 31 injured. Explosives were hidden in places which are refugee prone and on roadside, says Bangalore Police Commissioner Shankar Bidri. The blasts took place at 1.30 pm in Nayandahalli, 1.50 pm in Madivala (2 blasts) and 2.10 pm in Adugodi.
Zee News also confirms for
Four low intensity blasts rock Bangalore
four blasts have ripped through different parts of the IT city, the first one in the Madiwala and the second in Adugodi area in Kormangla. And the third on Hosur Road.
and The Police has confirmed only one blast so far. Primary investigations suggest that the blast was triggered by a timer hidden beneath the ground.

What is happening to Bangalore man. on 11th July there was violence in Bangalore ?
Where it is going? Thank god those bombs were low intensity bombs.