Police Step Up Security on Bridges Across River Thames

The transcript discusses an ongoing investigation into a terrorist attack on London Bridge, where 12 people were arrested, with one released without charge. The attack, claimed by Islamic State, resulted in seven deaths and 48 injuries. The government, led by Prime Minister Theresa May, has increased security and outlined a response focusing on confronting Islamic extremism, regulating internet safe spaces, and examining the criminal justice system. This incident is the third attack in three months, with five others foiled, and is influencing the UK election campaign.

What recent event led to the arrest of 12 individuals in London?

What actions have the police taken in response to the attack mentioned in the text?

How many attacks have been foiled according to the security services?

What was the Prime Minister's stance regarding the recent attacks during her speech?

What are the four areas of response outlined by the Prime Minister?