The as-Soennah mosque in The Hague received a letter in which an anonymous writer seems to threaten with an attack with a truck on a mosque or school. "Don't forget that you're vulnerable too in Europe", the letter begins. The envelope also included a toy truck, RTL Nieuws reports.
"With every cowardly attack on our citizens and children, a counter-attack can follow on your innocent visitors of mosques or whatever. A truck that hits a mosque or school! Don't forget that!", the letter states. "So beware."