The following are the top stories in national newspapers today.

Times of Malta says it is not known how many illegal buildings exist in the country despite the launch of a scheme allowing owners to pay to regularise such developments. In another story, it says four-year-old twins Rosie and Ruby Formosa, who were born conjoined and with a slim chance of survival, are set to start school.

MaltaToday says PN grassroots may still not have warmed up to party leader Simon Busuttil.

The Malta Independent says a report commissioned by the Environment Ministry found that sea sludge is, more often than not, coming from fish farms. It also found that four out of six fish farms in Malta, all of which operate tuna pens, have some form of infringement.

L-Orizzont says the medical visas scandal is taking a new dimension as a number of dubious cards distributed by the whistleblower come to light.

In-Nazzjon says that panic at Castille over the medical visas scandal matched that of the Panama Papers.