heavy blast in lahore

in early hour a heavy blast took place in 15 building at lahore 23 persions have been killed and 250 persions are injured;as per AAJ tv report betullah mahsood or his spokeman has still not admitted responsiblity;it mean that there is also another enemy of pakistan expet TALIBAN;goverment shuld to investgate this and to expose the enemy ;enemy may among us who are supporting TALIBAN;and also protesting in favour of taliban'moreover it is learnt through media that interior ministry had recived such reports and also communicated to government;but punjab provincial government didnot take appropriate actions in this regard reasions are best known to higher authorities of punjab;;;;mumtaz-27-05-2009