Militants have attacked a Pakistani air base in Karachi, the country's largest city, police say.
Explosions and gunshots were heard as the attackers fought with troops at the Mehran naval aviation base. There are reports of casualties.
Eyewitnesses say black smoke is billowing from the base.
Militants in Pakistan have vowed to avenge the killing of Osama Bin Laden by US special forces on 2 May, and have carried out several attacks since then.
Explosions and gunshots were heard as the attackers fought with troops at the Mehran naval aviation base. There are reports of casualties.
Eyewitnesses say black smoke is billowing from the base.
Militants in Pakistan have vowed to avenge the killing of Osama Bin Laden by US special forces on 2 May, and have carried out several attacks since then.





......thaleban kiyanne afganistan wala inna osamage muslim organisation ekakne.....hambayo nikan makkage theory eka wage oonema magulakata americawai indiawai sambanda karala sudono wenna yanawa......finger pointing thamai ithin umbalage jeewithema thiyenne.....