A crucial Saudi pipeline has reportedly been shut down for weeks as the Yemen-based Houthis have been attacking infrastructure in the kingdom Muslim nations are condemning an attempted drone attack on Mecca as Saudi Arabia says that Islam's holiest city is a “red line” for the kingdom Key points and original sources are listed below.

• A crucial Saudi pipeline has reportedly been shut down for weeks as the Yemen-based Houthis have been attacking infrastructure in the kingdomS1

• Muslim nations are condemning an attempted drone attack on Mecca as Saudi Arabia says that Islam's holiest city is a “red line” for the kingdomS2