On 12 August, the San Carlos Battalion came across mines placed in their path and one soldier was killed while two were seriously injured. Meanwhile on 10 August, urban commandos took a patrol car by surprise and dropped a grenade inside the car, injuring four and partially destroying the vehicle.
Can we say the following?
Four people were injured by a grenade.

yes

But an O2 insider said there had been problems with a companies trying to sell the pass codes. Some people were "bound to have been turned away" because of fraudulent tickets. Led Zeppelin, formed in 1968, were one of the most influential bands of the 1970s with songs such as Whole Lotta Love and Stairway To Heaven. They split in 1980 after the death of the drummer John Bonham. Kenneth Donnell, 25, who was not born in 1980, spent 83,000 on two tickets in a BBC Children in Need auction.
Can we say the following?
The band Led Zeppelin was formed in 1980.

no

Bosnia's leading Muslim daily Dnevni Avaz writes excitedly about "a sensational discovery" of "the first European pyramid" in the central town of Visoko, just north of Sarajevo.
Can we say the following?
Europe's first pyramid has been discovered near Sarajevo.

yes

Although they were born on different planets, Oscar-winning actor Nicolas Cage's new son and Superman have something in common - both were named Kal-el.
Can we say the following?
Nicolas Cage's son is called Kal-el.
yes