More than 20 people have died yesterday in Pakistan in a chain of attacks perpetrated in different points of the country and directed against the Pakistani security forces. According to various, official sources attacks have been registered in Lahore, to the east of the country, and in Kohat, situated to the northwest. The wave of violence that shakes the country has caused around 140 dead in ten days.

The most serious attack took place in Lahore, more precisely in the office of federal investigation (FIA), assaulted at 9,50 o'clock (03,50 GMT local time). An insurgents' forces allegedly claimed several hostages, though the Police has consequently confirmed the control of the area.

A police source had confirmed at the private TV channel called Express TV that the terrorist action had been concluded with three injured and seven dead persons among the police officers, officials of the agency while one of the assailants has been put under arrest by the security forces.

Besides, the rebels have perpetrated a double suicide bombing with a cross-fire amongst the Manawan academy cadets, on the outskirts of the city, that already had been attacked in March, reports a police source.

At least five police officers have died in the double attack. The other centers attacked are an elite police building situated in the zone of Bedian - with at least seven injured -, and a police center of civilian response in which apparently a cross-fire took place, another police source stated to the Express TV channel.

Almost simultaneously, in the city of Kohat, situated in the northwest, in the troubled Province of the Northwest Border (NWFP), another attack killed at least ten people and a dozen have turned out injured. A suicidal terrorist has bursted into police precinct in the zone of Saddar with his vehicle loaded with explosives.

- There are some students among the dead persons -, indicated a police source. According to witnesses cited by the Geo TV channel, the explosion has been of a great intensity and has caused serious damages in the building. The injured have been already transferred to various nearby hospitals and the Police has cordoned off the zone, so that the investigation teams can determine the circumstances of the attack.

Besides, hours before, a missile attack has took place, supposedly perpetrated by the non-U.S. airplanes, in the northwest of Pakistan, reported different sources to the Geo TV channel. The attack took place in the Miranshah area, situated in the troubled district of northern Waziristán, that adjoins with Afghanistan and is one of the main bastions of Talibans and the terrorist organization Al-Qaeda. According to witnesses cited by Geo, the airplane launched three projectiles on Miranshah, where various apparatuses continued plowing the air after the attack.