"tighten laws" is a correct and commonly used phrase in written English.
It means to make existing laws stricter or more stringent. Example: The government plans to tighten laws on gun control in response to the recent increase in mass shootings.
The report called on governments to tighten laws to protect women in the workplace.
They can be used as an excuse to tighten laws and to discredit real opposition.
Mayor Bloomberg, who also attended the news conference, used the shooting on Sunday to highlight his campaign to tighten laws prohibiting illegal guns.
If Clinton runs for president her views on gun control would clash with those of Republicans, who have largely opposed efforts to tighten laws.
"We need to tighten laws against anti-vaccination movements and to better inform citizens about both the benefits and myths," Mr Hayes said.
"We simply cannot keep up with the current influx," the minister wrote, adding that it was important not only to tighten laws but also to let potential migrants know.
Twenty-nine stightenedhtened laws covering mortgage licensing, and four Kentucky, Maryland, Utah, and Washington established mortgage fraud as a crime.
The idea that child abuse can be thwarted by tightening laws about home education has been around for some time.
The Nigerian Police Force had recently tightened laws requiring drivers and passengers of motorcycles to wear helmets.
This summer, Egypt tightened laws around Internet use in the country, which include supervision for certain social media accounts.
Even before the attack, Germany had tightened laws to register and share data about newly arriving refugees.
